engine room
nounRail equipment
The engine compartment of a diesel locomotive.
Entries starting with E
242 entries.
engine shed
A building for housing railway locomotives.
engineer
A person who drives or operates a fire engine (firefighting apparatus).
engineer's chain
nounSurveying
A type of roller chain measuring one hundred feet and consisting of one hundred links.
engineering sample
A non-final version of an integrated circuit meant for product development, validation, or demonstration purposes.
English
A size of type between pica (12 point) and great primer (18 point), standardized as 14-point.
English bond
nounConstruction
In bricklaying, an arrangement of bricks such that one course has the short sides of the bricks (headers) facing outwards, and the next course has the long sides of the bricks (stretchers) facing outwards.
engraving
The art of producing an image from an engraved printing form, typically made of copper.
ennage
The number of ens involved in a typesetting job.
enrichener
The choke of a motor vehicle.
enricher
nounAutomotive
The choke; the component that supplies a richer mixture of fuel to the engine when required.
ensign
The principal flag or banner flown by a ship (usually at the stern) to indicate nationality.
enter key
A type of return key generally present on extended keyboards with a numeric keypad.
entrance
The angle which the bow of a vessel makes with the water at the water line.
entrelac
A knitting technique used to create a textured diamond pattern, comprising interconnected squares on two different orientations.
entrench
verbConstruction
To cut in; to furrow; to make trenches in or upon.
entry ignition engine
nounAutomotive
A type of extended-Brayton-cycle-based two-stroke engine which uses four cylinders for a combustion cycle of four strokes, but having a power stroke rate of that on regular two-stroke cycles.
envelope
A curve that bounds another curve or set of curves, as the modulation envelope of an amplitude-modulated carrier wave in electronics.
envelope detector
An electronic circuit that takes a relatively high-frequency amplitude modulated signal as input and provides as output the demodulated envelope of the original signal.
enzymatic fuel cell
A type of fuel cell (electrochemical power generation device) that uses enzymes as catalysts.
EOD
Initialism of end of daylight.
eolith
Crudely chopped flints, believed to be naturally produced by geological processes such as glaciation.
EOR
adverbTextile production
Every other row; every other round.
EP
Initialism of extreme pressure, an indicator used in lubricant additives.
EPAS
nounAutomotive
Initialism of electric power assisted steering.
epi
Abbreviation of epiphyllum.
EPIC
Acronym of epitaxial integrated circuit.
episcopic
adjectiveOptics and imaging
Describing an optical device in which light is reflected by (rather than traversing) the object being observed
EPROM
Initialism of erasable programmable read-only memory.
EPS
nounManufacturing
Initialism of expanded polystyrene (“plastic foam”).
epsilon-machine
A deterministic automaton consisting of a system of causal states and the transitions between them, functioning as the smallest possible maximally predictive model of a stochastic process
equalising beam
A steel beam linking the suspension of two or more adjacent axles of a vehicle with at least two axles, especially on railway locomotive bogies.
equalizer
An electronic audio device for altering the frequencies of sound recordings.
equiconcave
adjectiveOptics and imaging
Having surfaces with the same concave radius of curvature.
equiconvex
adjectiveOptics and imaging
Having surfaces with the same convex radius of curvature.
equigranular
adjectiveMining and extraction
Composed chiefly of grains of similar size.
equisolid
adjectiveOptics and imaging
Relating to the same solid angle
equivalence gate
a logic gate performing a Boolean logic equivalence operation; an XNOR gate.
ERA
Initialism of electrically reconfigurable array.
ERC
Initialism of easily-recognizable code.
erect
To spin up and align to vertical.
erector
A vehicle used to support a rocket for transportation and for placing the rocket in an upright position within a gantry scaffold.
erlang
A dimensionless statistical measure of the volume of telecommunications traffic relative to the capacity of a single channel.
EROI
Initialism of energy return on investment.
ERP
Initialism of effective radiated power or equivalent radiated power.
errata
An added page in a printed work where errors which are discovered after printing and their corrections (corrigenda) are listed.
error
To show or contain an error or fault.
errored
adjectiveElectrical engineering
Containing one or more errors; faulty.
ERS
Acronym of energy recovery system, an electric generation, storage, and propulsion system used in Formula One, which generates electricity by scavenging excess power and energy, stores energy in batteries, and boosts acceleration with electric motors assisting the gasoline engine.
ERTMS
nameRail equipment
Initialism of European Rail Traffic Management System, an initiative backed to greatly enhance safety, increase efficiency of trains and enhance cross-border interoperability of rail transport in Europe.
ERV
Initialism of Earth return vehicle.
ESA
Initialism of European Space Agency.
ESC
nounAutomotive
Initialism of electronic stability control.
escape
nounManufacturing
A defective product that is allowed to leave a manufacturing facility.
escape character
A single metacharacter, usually a control code, which in a sequence of characters signifies that what is to follow takes an alternative interpretation. The term escape sequence refers to the escape character and the subsequent character or characters so modified.
escape sequence
An escape character together with subsequent characters, not output as written, but specifying a particular behaviour.
escapement
The linkage in a (watch) that gives impulses to the timekeeping element and periodically releases the gear train to move forward, advancing the clock's hands.
eSIM
Initialism of embedded SIM (“virtual SIM that is integrated in the cellular device”).
ESOC
Initialism of European Space Operations Centre.
ESP
nounAutomotive
Initialism of electronic stability program.