A battery
A battery used to heat the filament or cathode heaters of electron tubes.
Entries starting with A
215 entries.
a-c
Initialism of alternating current.
A1A-A1A
A wheel arrangement for diesel and electric locomotives with two three-axle bogies / trucks, the two outer axles of each bogie are powered and the centre axle is unpowered.
AAL
Initialism of asynchronous transfer mode adaptation layer; ATM adaptation layer.
AAV
nounPlumbing
Abbreviation of air admittance vent.
AAZ
nounMetallurgy
Initialism of arc attachment zone.
abb-wool
Wool used to make yarn for the warp.
ABC
Initialism of always be charging, a recommendation to remember to charge or be left without use by a low battery at an inopportune time.
abfarad
A unit of capacitance equal to one billion (10⁹) farads, used in the centimeter-gram-second system of units
abmho
A unit of measurement (10⁹ mhos) in the centimeter-gram-second scale used to measure conductance
abreuvoir
The joint or interstice between stones, to be filled with mortar.
ABS
Initialism of acrylonitrile butadiene styrene.
absolute scale
A temperature scale whose zero corresponds to absolute zero such as the Kelvin scale or Rankine scale.
absorption
The retaining of electrical energy for a short time after it has been introduced to the dielectric.
Abt system
nounRail equipment
A rail system used in mountainous terrain with multiple cograils.
abvolt
A unit of electrical potential equal to one hundred millionth of a volt (10⁻⁸ volts), used in the centimeter-gram-second system of units.
abwatt
A unit of electrical power equal to one ten-millionth of a watt (10⁻⁷ watts), used in the centimeter-gram-second system of units.
AC
Initialism of alternating current (often used to indicate an alternating potential rather than a current).
accelerated depreciation
nounAutomotive
The lost value a vehicle carries after it has been repaired from an accident.
accelerated motion
Motion with a continually increasing velocity.
accessory battery
nounAutomotive
The standard 12V rechargeable automotive lead-acid battery or the stand-in battery for a standard 12V automotive battery found in internal combustion engined vehicles, typically used to power the typical 12V systems, the accessories, infotainment, automotive computer, and electronic systems.
ACCH
Initialism of associated control channel.
accumulator
nounHydraulics
A container which stores hydraulic power for release, in the form of a pressurized fluid (often suspended within a larger tank of fluid under pressure).
ACD
Initialism of automatic call distributor.
ACI
Initialism of adjacent channel interference.
acid-wash
To treat (a material) with bleach so as to mottle or discolor it.
ACIR
Initialism of adjacent channel interference ratio.
ACLR
Initialism of adjacent channel leakage power ratio.
acoustic coupler
A terminal device used to link data terminals and radio sets with the telephone network.
ACPR
Initialism of adjacent channel power ratio.
acquisition feeding time
The amount of time required for a successful acquisition of a virus by its vector for subsequent transmission, in which it then becomes viruliferous.
acquisition time
The amount of time required for a GPS receiver to acquire a satellite signal in order to determine the initial position.
ACR
Initialism of automatic circuit recloser.
acre-foot
A unit of measure, used for volumes of water, equal to one acre times one foot (that is, to the amount of water required to cover one acre of land to a depth of one foot), which is 43,560 cubic feet, 325,851 gallons, or about 1,233 cubic meters.
ACRR
adjacent-channel rejection ratio; the resulting measurement of comparing signal strength with a similar signal on another frequency if they are on adjacent channels.
ACS
Initialism of adjacent channel selectivity.
activator
An agent that enables the flotation of a mineral or minerals.
active
Any component that is not passive. See Passivity (engineering).
active braking time
nounAutomotive
The amount of time elapsed between the moment when the braking force takes effect and the point in time at which it ceases.
actuator
A relay that controls the flow of electricity.
ADAS
nounAutomotive
Acronym of advanced driver-assistance system.
ADC
Initialism of analog-to-digital converter.
adder-subtractor
A circuit that is capable of adding or subtracting binary numbers.
adequately wet
adjectiveConstruction
Of asbestos: made wet for safety reasons, in order to prevent the escape of harmful particles, for example during demolition.
Ader receiver
A kind of telephone receiver incorporating a magnetized metal ring.
adit
A horizontal or nearly horizontal passage from the surface into a mine, as contrasted with a shaft or vertical entry passage, used for ventilation, haulage, drainage, or other purposes.
adjunct
nounManufacturing
An unmalted grain or grain product that supplements the main mash ingredient.
adjunctive
nounManufacturing
A substance added as a supplement; often in the phrase "additives and adjunctives.".
ADL
Initialism of acquisition and distribution layer, the stay-dry layer of a diaper or menstrual pad that wicks liquid, particularly urine or menses, from the topsheet to the innermost absorbent core.
ADPLL
Initialism of all-digital phase locked loop.
ADSL
Initialism of asymmetric digital subscriber line.
advanced time
The time when the field will advance from the present time t.
AEB
nounAutomotive
Initialism of automatic emergency braking or autonomous emergency braking, a technology/methodology used in cars to prevent crashes by activating the brakes.
aerial ladder
A mechanically-extendable ladder mounted to a fire engine.
affordance
nounRobotics
Anything that is provided or furnished by an environment to an organism dwelling within it.
after-five
Any attire or clothing that is semiformal.
afterdamp
Suffocating gases present in a coal mine after an explosion caused by firedamp, consisting of carbon dioxide, carbon monoxide, nitrogen, and sometimes hydrogen sulfide.
ag
nounConstruction
Clipping of aggregate (“small rocks mixed into concrete”).
against the grain
prep phraseWoodworking
Preventing a smooth, level surface from being formed by raising the nap of the wood or causing larger splinters to form ahead of the cutting tool below the cutting surface.
agateware
Pottery decorated with a combination of contrastingly coloured clays, designed to resemble the layers of colour in an agate stone.