AMPS
Advanced Mobile Phone System, American Mobile Phone System, Analog Mobile Phone System.
Entries starting with A
381 entries.
AMR
nounManufacturing
Initialism of autonomous mobile robot.
AMS
Initialism of aggregate measurement of support.
AMT
nounAutomotive
Initialism of automated manual transmission.
analcitic
adjectiveMining and extraction
Containing or pertaining to analcite.
analog-to-digital converter
A device that converts an infinite resolution analog signal to a finite resolution digital signal.
anastatic
adjectiveIndustrial printing
Of or relating to a printing process in which copies of drawings are printed from facsimiles produced in relief on zinc plates.
ANC
Initialism of active noise control or active noise cancellation.
anchimonomineral
adjectiveMining and extraction
Composed almost entirely of one mineral.
anchor
A tool used to moor a vessel to the bottom of a sea or river to resist movement.
anchor pylon
A pylon that forms the endpoint of a high-power transmission line and uses horizontal insulators, necessary when interfacing with other modes of power transmission and, due to the inflexibility of the conductors, when significantly altering the direction of the pylon chain.
AND gate
A logic gate performing a Boolean logic AND operation.
andon
nounManufacturing
A system that notifies workers of a quality or process problem, sometimes with a means to pause production until the problem is resolved.
Andretti
nounAutomotive
Ellipsis of Mario Andretti (“(a) a street racer; (b) a U.S. racecar pilot outside of the U.S.”).
androgynous
adjectiveIndustrial electronics
Of a connector or docking port, able to connect to another connector or port of the same type, rather than being restricted to connecting to solely male or solely female connectors or ports.
Android
A mobile phone running on Android OS.
angel fingers
Tongues of flame that are a sign of impending rollover.
angel gear
The neutral gear when used while a vehicle is moving, especially when it is used to freewheel so as to save fuel or to coast downhill faster than a vehicle can go in gear.
angle bar
nounCarpentry
An upright bar at the angle where two faces of a polygonal or bay window meet.
angle brace
nounCarpentry
A brace across an interior angle of a wooden frame, forming the hypotenuse and securing the two side pieces together.
angle of attack
nounRail equipment
The angle between the plane of rotation of a wheel and the outer rail in the track curve.
angle of incidence
The angle that a straight line, ray of light, etc., meeting a surface, makes with a normal to the surface at the point of meeting.
angle of reflection
The angle between the perpendicular and a ray reflected from a surface
angle of refraction
The angle between the perpendicular and a ray refracted at a surface
anglesmith
nounManufacturing
A blacksmith who forges and shapes members such as angle irons.
angstrom
A unit of length equal to 10⁻¹⁰ meters (that is, one ten-billionth of a meter), approximately the size of an atom, and denoted by the symbol Å, used especially to measure the wavelength of electromagnetic radiation or distances between atoms.
angular aperture
The apparent diameter of a lens' aperture as seen from the focal point.
Angus
nameRail equipment
A nickname for the 0-8-8-0 train configuration.
anharmonicity
The deviation of a system from harmonicity (being a harmonic oscillator)
anhedral
the downward slope of an aircraft’s wing
ANI
Initialism of automatic number identification.
anilox
A method used to provide a measured amount of ink to a flexo printing plate, involving a hard cylinder whose surface is covered in tiny cells that capture the ink.
anisoplanatism
The absence of spatial invariance over an extended field of view
ankle boot
nounManufacturing
A boot that rises up to the ankle.
anneal
verbMetallurgy
To subject to great heat and then (often slow) cooling, and sometimes reheating and further cooling, for the purpose of rendering less brittle; to temper; to toughen.
annunciator
nounRail equipment
A buzzer in a signal box that sounds when a train activates a treadle positioned on the track, and thus provides a warning or announcement of a nearby train.
anode
An electrode, of a cell or other electrically polarized device, through which a positive current of electricity flows inwards (and thus, electrons flow outwards). It can have either a positive or a negative voltage with respect to cathode of the same polarized device (depending on whether the device is a load or a source, respectively).
answering machine
A device that automatically records voicemails from unanswered telephone calls.
antecryst
A crystal formed from an earlier phase of the magmatic system, different from later forming crystals.
antenna
The spar to which a lateen sail is attached, which is then hoisted up the mast.
anteorbital
adjectiveAviation maintenance
Referring to the period before orbit is achieved.
anthropomimetic
adjectiveRobotics
Mimicking human physical movements at a structural level.
anti-knock index
nounAutomotive
A measurement of a fuel's ability to resist detonation, or engine knocking.
antibacklash
adjectiveMechanical engineering
Countering or preventing backlash (jarring reflex motion in machinery).
antiballoon
adjectiveManufacturing
Preventing the outward bulging of the material being worked on by a spinning frame.
antiballooner
A device that prevents the outward bulging of the material being worked on by a spinning frame.
anticathode
The target at which electrons from the cathode in a CRT or x-ray tube are directed.
anticoherer
A device, one form of which consists of a scratched deposit of silver on glass, used in connection with the receiving apparatus for reading wireless signals. The electric waves falling on this device increase its resistance several times.
anticorona
The glory optical phenomenon.
antifreeze
nounAutomotive
Automotive antifreeze, a solution of ethylene glycol, used as an additive to water or a replacement for water, in the radiator of a motorcar.
antimetric
adjectiveElectrical engineering
The converse of symmetric in electrical network theory, especially filter theory. A network where the input and output image impedances are the dual, or inverse, of each other as opposed to symmetric networks where they are equal.
antimetry
A property of an electrical network where the normalised impedance of one port is the reciprocal of another.
antiplane
adjectiveMechanical engineering
Being or pertaining to a special class of deformation where the displacements in the body are zero in the plane of interest but non-zero in the direction perpendicular to that plane.
antipooling
adjectiveRail equipment
Opposing or banning associations of rival railroads.
antique car
nounAutomotive
A car that is eligible for antique vehicle registration.
antireflective
adjectiveOptics and imaging
Preventing visible reflection.
antisagging
adjectiveManufacturing
Combatting the tendency of paints and other coatings to sag.
antitranspirant
adjectiveAgricultural equipment
Reducing transpiration in plants.
Antron
nameManufacturing
A type of lightweight, strong, and highly durable brand of nylon textile fiber.
ao dai
A two panelled dress, worn by Vietnamese women as a national costume.