📗 Tермини започващи с буквата U в технически речник

А Б В Г Д Е Ж З И Й К Л М Н О П Р С Т У Ф Х Ч Ш Щ Ъ Ь Ю Я

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

u up use undo unit urea urge used user umber umbra uncap unfit unfix unify union unity unset untie upper upset urate urban uviol u bolt u iron u ring u tube u-flow u-free u-pipe ullage unbend unbolt uncase uncoil undyed uneven unfast unfold ungear unhook unique unlink unload unlock unmake unmark unpack unpave unpick unripe unsafe untrue unwind up cut upbrow upcast update upflow upfold upgust uphand upkeep upland uplift uprise uptake upward upwind uracyl uranic uranyl ureide useful utmost U clamp u gauge u strap ulexite unbound uncaved unchock unclamp uncover uncured undosed unearth unequal unfired unfixed unfused unguent unhandy uniflow uniform unistor uniterm unknown unlined unloose unmixed unpaved unravel unrivet unscrew unsharp unsized unsound untruth unwater unweave up load up-leap updrive upgrade upraise uprated upright upslide upthrow uralite uranate uranite uranium uranous used-up utensil utility utilize u-shaped udometer ulterior ultimate ultrared unabeled unbonded unbroken uncaging uncharge uncoiler uncooled uncouple unctuous undecane undecene undecyne underbed undercut underlay underpan underpin unfasten unglazed ungraded unguided uniaxial unifilar unilayer uniphase unipivot unipolar unit set unitized universe univocal unkeying unloader unmanned unmarked unmelted unpaired unshared unsigned unslaked unsolder unsprung unstable unstayed unsteady untamped untested unwieldy updating upending upheaval upsetter upstream upthrust urethane used air used oil ullmanite ultrahigh ultrarays umbellate unalloyed unaltered unbalance unbiassed unblended uncertain unclaimed undamaged undefined undercast undercoat undercook undercool underface underfeed underfill underfire underflow underfold underlier underline underload underpart underpass underprop underside undersize undersoil undiluted undressed undulated unearthed unelastic unequable uneveness unexcited unexposed unfaulted unguarded unguentum uniclinal unit area unit call unit cell unit head unit load unit step unit time unit-cast unitizing univalent universal unlabeled unlimited unloading unlocking unminable unobvious unordered unpointed unreacted unreduced unreeling unrefined unroasted unrolling unsecured unsettled unsightly unskilled unstained unstemmed untreated untrimmed unwatched up-stroke upfaulted upgrading upholster upper air upper bed upper cut upper die uprooting uprunning uptrusion uptwister uraninite uranotile usability used sand u-abutment ubiquitous ultrasound ultraspeed unaffected unattended unbalanced unblocking unbuilding uncombined unconfined unctuosity undecylene under test undercured underdraft underdrive underfloor underframe underglaze underplate undershoot undersized undersling underslung underspeed understoke undertaker underwater undulation undulatory uneconomic unenclosed unexpected unexplored unfast dye unfinished unflighted unformated ungrounded unhardened uniformity unilateral union body union yarn uniqueness unit drive unit flood unit value unit-frame univalence unlabelled unmagnetic unmendable unmodified unoccupied unorthodox unphysical unpolished unpurified unrealized unrecorded unreliable unresolved unscreened unseasoned unshielded unsinkable unsintered unsolvable unstrained unstressed untempered unthreaded untwisting unweldable unworkable unyielding up the dip up to size up-hobbing up-to-date upcast air upholstery upper deck upper leaf upper pool upset bolt upset head upset weld urban area urea resin ureic acid urethylane urotropine use factor usefulness u-butt weld ultramarine ultraphotic ultraviolet unaccounted unactivated unambiguity unambiguous unassembled unballasted uncentering unconnected uncountable uncrushable under layer under relay underactive underblower undercooled undercutter underdriven underground underhollow undermanned undermining undersigned understable undertaking underweight undetonated undeveloped undeviating undisplaced undissolved undistorted undisturbed unefficient uneven flow unfashioned unfavorable unhandiness unicellular unification uniform bed uninsulated union chuck union joint uniselector unit charge unit matrix unit normal unit repair unit strain unit stress unit system unit vector unit volume unit weight unit-cooled united atom unmoderated unperturbed unpolarized unprotected unpublished unqualified unrectified unreflected unsaturated unscheduled unsmeltable unsoundness unstainable unstressing unsupported upholstered upholsterer upper bound upper chord upper floor upper limit upper nappe upper water upset metal upward bias uraniferous urban house urgent call useful area useful life useful load useful work usual terms utility car utilization uviol glass u-butt joint ultimate set umbral index unacceptable unattackable unauthorised uncontrolled uncorrelated under action under repair undercooling undercurrent underdamping underdriving underfeeding underproduce understimate understratum undertamping underwashing underworking undetermined undischarged unfavourable ungovernable uniform beam uniform code uniform flow uniform load uniform sand unimolecular union nipple union wrench unique value unit impulse unit of area unit process unit royalty univibratior unmachinable unmanageable unobstructed unobstrusive unpatentable unponderable unproductive unprofitable unrealizable unregistered unrestricted unsaturation unshrincable unsound roof unstable arc unzoned lens upon average upper camber upscattering upset cutter uranium fuel uranium slug uranium vein uranium-free urbanization use-oriented useful power useful radii utility-type ultimate load umbellic acid umbelliferone umbrella shed unbarked wood unclosed pair unconditional uncrowded art uncut diamond undeciability under-chassis underboarding underbreaking underbunching undercapacity undercarriage undercoppered undercritical undercut weld underexposure underflooding underpressing understanding understressed uniform field uniform grade uniform scale uniform slope uninterrupted union of sets uniprocessing unit assembly unit fraction unit handling unit pressure universal set universe mean unlike charge unmagnetizied unobstructive unplasticized unpressurized unserviceable unshatterable unslaked lime unsolvability unstable axis unstable node unstable soil unstable wave unsteady flow unsubstituted unsymmetrical unwarrantable up-cut shears upcoast shaft uphand sledge upper gangway upraise shaft upright drill upright frame upset forging upstream deck upstream face upstream side upward mining upward motion upward stroke urban run-off urge the fire useful radius useful torque utility value uv stabilizer ultimate depth ultimate range ultrabandwidth ultraharmonics ultrasensitive ultrasonicatly ultrasonoscope ultrastability umbilical cord unapproachable unblanked beam uncontaminated uncontrollable undecylic acid undecynic acid undefined term under pressure under-crossing under-drainage undercut angle underdeveloped underhead worm underlay angle undermoderated undershot gate undertightened undivided road undrained land undulated iron unequigranular unidimensional unified thread uniform design uniform dyeing uniform mixing uniform-motion uninflamenable union coupling unit insulator unit selection unit separator universal code universal head universal time unkilled steel unkindly locus unladen weight unloading dock unsound cement unsplinterable unstable focus unstable state unsteady state untreated road up-down pulses up-end forging upcast incline uphill casting upper harmonic upper quadrant uprated engine upsetting test upstream slope upstroke press upward draught urban planning usable storage usefull output user interface utility patent uchatius bronze ulbricht sphere ultimate design ultimate output ultimate strain ultimate stress ultimate vacuum ultrahigh-speed ultramicroscope ultramicroscopy ultrasonic lens ultraviolet ray unaffected zone unattended time unbalanced line unbalanced load unbalanced mass uncompatibility uncoupled wheel uncoupling gear under allowance under-clearance underbead crack undercut caving underexcitation underhand bench underreinforced undersize compo unequal spacing uneven fracture unguided rocket uni-temper mill uniaxial stress unified product uniform bindery uniform diffuse uniform mixture uniform section unipole antenna unit shortening univalent state universal chuck universal joint universal level universal motor universal screw universal shunt unloaded spring unpitched blade unpitched sound unsigned number unsplit pattern unstable ground unstable motion unstable nuclei unstable system unsteady motion unsurfaced road untuned antenna untuned circuit unwatering pipe up-down counter updating course upgrading ratio uplift pressure upper deviation upper frequency upper halfplane upper-side band upstream batter upward rounding uranium reactor uranium-bearing uranium-fuelled urgent delivery use exclusively use in practice use restriction useless product utility tractor ultimate product ultimate tension ultrahigh vacuum ultrashort waves ultraviolet lamp umbrella antenna unarmoured cable unattended radar unbalanced force uncharged rubber unchoking effect unclosed contour uncorrected gear underfeed firing underfeed stoker undergrate blast underground room underhung spring underneath drive undirected graph undistorted wave undisturbed soil unencased piling unexpired patent ungated spillway uniaxial crystal uniform gradient uniform rotation uniform strength uniform velocity uniformly-motion unionmelt powder unit bore system unit deformation unit sensitivity univalent cation universal bottom universal bridge universe stellar unknown quantity unload a fixture unloaded reserve unloading device unmanned trolley unmanned working unmodified resin unoccupied level unoperated state unpolarized wave unprotected code unrestricted use unskilled worker unstable balance unstable isotope unstable nucleus unstable running unsupported back untrimmed timber update programme upgraded version upheaving bottom upper atmosphere upright cylinder upright mounting upset-down image upsetting device ultimate analysis ultimate capacity ultimate particle ultimate strength ultra-accelerator ultramarine green ultrasonic solder ultraviolet light ultrawhite region unavoidable delay unbalanced bridge unbiased sampling unbonded function unclosed traverse uncombined carbon unconnected graph uncontrolled flow under-utilization undercutting tool underfloor engine undergrate blower underground cable underground train underground water underrunning rail underside welding undulatory motion ungrounded system unidentate ligand unifinished screw uniform waveguide uniformity factor unilateral system unilateralization unique dependence unique transition unit construction unit distribution unit shaft system unitized assembly univariant system universal rolling unleaded gasolene unleaded gasoline unloading machine unmounted crystal unpatentable over unpitched turbine unresolved binary unrestricted flow unsaturated steam unstrained member unstressed member upper culmination upper dead centre upper-header pipe upsetting machine upstream membrane upstream pressure urban environment useful efficiency useful redundancy useful resistance utility programme utilization ratio ultralow frequency ultramarine yellow ultrasonic grating ultrasonic ranging ultrasonic testing ultrasonic welding ultrastable system ultraviolet region un-threads threads unattended station unattended working unconditional jump undamped vibration undecandionic acid under construction underbead hardness undercarriage fair undercurrent relay undergroud railway underground boring underground refuse underhung mounting underlying bedrock undervoltage relay underwater cutting undiluted solution undisturbed sample undulating current undulatory current ungrounded network uniform combustion uniform continuity uniform embankment unilateral antenna uniplanar filament unipolar generator uniqueness theorem unit magnetic flux unit-package joint unity of invention univalent function universal constant universal coupling universal dividers universal function universal receiver unmanned satellite unmodulated groove unshrinkable steel unsplintered glass unstable amplitude unstable governing unstable stability unsupported height unsupported length unsupported piston untramped backfill unyielding support up-and-down motion up-and-down stroke upper yield stress upright projection uprighting machine upsetting pressure upstream operation uranium-containing us-threads threads utilization factor ultimate elongation ultimate resilience ultimate resistance ultimate shortening ultra-speed welding ultrafast machining ultrasonic cleaning ultrasonic detector ultrasonic radiator ultrasonic receiver ultraviolet spectra un-manned operation uncompounded rubber uncontrolled caving uncorrectable error undamped admittance undecandienoic acid under pressure work undercarriage fixed underdamped circuit undergrade crossing underground antenna underground bailiff underground conduit underground crusher underground network underground shelter underwater drilling undulating quantity undulatory movement unfinished concrete unifilar suspension uniform convergence uniform-pitch screw unipolar transistor unit of measurement unit-cell parameter unit-pulse function unity of possession unpatentable method unrecoverable error unsaturated alcohol upwardmost position utilization quality ultimate sensitivity ultra-high frequency ultrasonic acoustics ultrasonic amplifier ultrasonic amplitude ultrasonic analyiser ultrasonic frequency ultrasonic generator ultrasonic machining ultrasonic technique ultrasonic waveguide ultraviolet spectrum unacceptable product unattended operation uncontrolled missile under shock strength undercoating varnish undercurrent release undercutting chamber undercutting erosion underground crossing underground free way undervoltage release underwater acoustics underwater reversing undulated sheet iron undulating anticline uniaxial orientation uniconvergence space unidirectional valve unified field theory uniform distribution uniform linear array uniform-light source uniform-section tube unilateral amplifier unilateral statistic unilateral tolerance unipotential cathode unit-area resistance unit-type drill head unity-gain amplifier universal joint yoke universal time clock unpatentable novelty unregulated variable unsaturated compound unsaturated solution unstable equilibrium unstable limit cycle unstable lubrication unsupported sheeting untruth of alignment upon nozzle reaction urban conglomeration useful cross section ultrasonic absorption ultrasonic delay line ultrasonic inspection ultrasonic microscope ultraviolet magnitude ultraviolet radiation unchamfered butt weld undamped oscillations under-running trolley undercarriage bicycle underground operation underground transport undershoot distortion underswing distortion underthrow distortion underwater microphone undisturbed ecosystem unfavoured transition unidirection approach uniform-strength beam uniformly-graded sand unimolecular reaction uninsulated conductor uninverted cross-talk unit-composed machine unitized construction univariate population universal-joint drive universal-shaft drive unsaturated polyester unstable oscillations unsteady oscillations unsymmetrical bending untreated-gravel road up-draught carburator up-draught carbureter upholstered furniture use for a new purpose ultimate load analysis ultrasonic measurement ultraviolet absorption ultraviolet microscope ultraviolet stabilizer unacceptable readiness unchamfered butt joint unconditional transfer uncontrolled rectifier under pressure surface under-power protection under-running trollies under-the-radar flight undercarriage tricycle underfloor-engined bus underground combustion underground water head undisturbed-one output unidirectional antenna unidirectional circuit unidirectional current unidirectional voltage unintentional impurity unit-type milling head universal rolling mill unshielded arc welding unsubstituted compound up-draught carburetter up-draught carburettor up-to-date information usable water resources ultimate bending moment ultimate control system ultraviolet catastrophe unbalanced wire circuit uncompensated amplifier unconditional stability unconditional statement unconformity by erosion uncorrelated statistics underground environment undisturbed-zero output unequally spaced reamer unfavourable conditions unidirectional approach uniform-pressure stroke uniform-variable motion unilateral conductivity unit electrostatic flux unit-type grinding head univariate distribution universal character set ultrasonic flaw detector ultraviolet spectroscopy unconditional experiment uncoursed rubble masonry under-current protection under-voltage protection undercarriage nose-wheel underground contact rail underground-water supply underwater cutting torch unequal-pressure turbine unidirectiona approaches unidirectional amplifier unit sexagesimal measure unit-construction system unsaturated hydrocarbons upright drilling machine uranium-graphite lattice utilization of invention ultimate working capacity ultra-low drift amplifier ultrasonic flaw detection ultrasonic pulse detector ultrasonic thermal action unconformities by erosion undercarriage retractable undercarriages tail-wheel unidirectional anisotropy unidirectional diode gate unidirectional microphone unidirectional transducer uniform-increasing motion uniformly-variable motion unintelligible cross-talk unit construction concept universal equalizer chart universal milling machine ultrasonic thickness gauge unbalanced production line uncontrolled photoemissive under-frequency protection underground powder storage uniform-accelerated motion uniform-decelerated motion uniformly-distributed load unipolar-bipolar amplifier universal grinding machine universal stage microscope unrestricted random sample ultradirectional microphone under pressure distillation undeveloped water resources unidirectional conductivity uniformly-increasing motion uniformly-variable rotation unit construction principle ultrasonic emission detector un-dercut forming attachment under-voltage warning device undercarriage multiple-wheel uniformly-accelerated motion uniformly-decelerated motion universal milling attachment ultralow-frequency absorption ultrasonic resonance detector uniform-strength buttress dam united states standard thread uranium of natural enrichment ultrasonic flaw pulse detector under counter-pressure casting unconditional-stability criteria universal decimal classification upper mean hemispherical average ultrasonic flaw emission detector ultrasonically induced cavitation unconditional-stability criterion ultrasonic flaw resonance detector uncertainties of two random variables underground hydroelectric power plant