electrotype
a plate, made by electroplating a mold, such as used in letterpress printing
Entries starting with E
148 entries.
elevated railway
nounRail equipment
A rapid transit railway with tracks above street level on a viaduct or other elevated structure.
ELFEXT
Initialism of equal-level far-end crosstalk.
elliptic spring
A curved leaf spring of different styles.
elvan
The rock of an elvan vein, or the vein itself.
EMC
Initialism of electromagnetic compatibility.
emerize
verbManufacturing
To pass (fabric) over emery-covered rollers to give it a soft finish.
emitter-coupled logic
A logic family that achieves high speed by using an overdriven BJT differential amplifier with single-ended input.
eMMC
An embedded (“integrated, non-removable”) MMC (“MultiMediaCard”). An electronic memory module designed to be integrated into devices instead of removable card, functioning as a storage device or main drive.
end-node
A device that connects to a network and is the endpoint for data communication.
endmill
nounMetalworking
A type of milling machine: a cutter (cutting tool used in machining) with cutting edges on both the end and sides.
endogangue
Gangue that is located inside phosphatic grains.
engaged tone
An audible signal to the calling party that indicates failure to complete the requested connection; a busy signal.
engine bay
nounAutomotive
The section in a vehicle where the engine is situated.
engine braking
nounAutomotive
The act of slowing down a motor vehicle using the retarding forces of the engine rather than the normal braking mechanism.
engine cleaner
An employee who cleans railway locomotives, especially steam locomotives in the days of steam.
engine house
A building housing one or more engines.
engine room
nounRail equipment
The engine compartment of a diesel locomotive.
engine shed
A building for housing railway locomotives.
engineer's chain
nounSurveying
A type of roller chain measuring one hundred feet and consisting of one hundred links.
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.
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.
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.
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.
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.
equivalence gate
a logic gate performing a Boolean logic equivalence operation; an XNOR gate.
ERA
Initialism of electrically reconfigurable array.
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.
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.
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”).
ESP
nounAutomotive
Initialism of electronic stability program.
ESR
Initialism of equivalent series resistance.
ESS
Initialism of electronic switching system.
essential mesh
In mesh analysis: a simple mesh (loop) which does not contain any other meshes.
essential prime implicant
A prime implicant on a Karnaugh map which "covers" at least one 1 which is not covered by any other prime implicant.
etiolated
adjectiveAgricultural equipment
Of a plant or part of a plant: pale and weak because of sunlight deprivation or excessive exposure to sunlight.
Eton collar
A broad, stiff, white collar, typically about twice the size of a standard man's shirt collar.
EV
nounAutomotive
Initialism of electric vehicle (a type of road vehicle).
EVAP
nounAutomotive
Abbreviation of evaporative emission control system.
everlasting
nounManufacturing
Synonym of lasting (“(uncountable) a durable, plain, woven fabric formerly used for making clothes and for the uppers of women's shoes; (countable) a quantity of such fabric”).