This page gathers the 9,098 dictionary entries belonging to the domain “Engineering”, as labelled by Wiktionary. Each word leads to its full entry: definitions, etymology, pronunciation, examples. Page 28 of 91: from “equivalent airspeed” to “external”.
- equivalent airspeed noun Dynamic pressure expressed as airspeed; the airspeed at sea level in the International Standard Atmosphere at which an airplane would…
- equivalent shaft horsepower noun In a turboprop engine, the power measured in horse power equivalent to that delivered to a propeller shaft.
- erase noun The operation of deleting data.
- eraser noun An overwriter program used to prevent data recovery.
- eraser dust noun A font that simulates wide hand-drawn letters with a slightly mottled appearance and irregular edges.
- erasure code noun A forward-error-correction (FEC) code for the binary erasure channel, which transforms a message of k symbols into a longer message with n…
- erect verb To spin up and align to vertical.
- erector noun A vehicle used to support a rocket for transportation and for placing the rocket in an upright position within a gantry scaffold.
- ergodic adj Of or relating to a process in which every sequence or sample of sufficient size is equally representative of the whole.
- erlang noun A dimensionless statistical measure of the volume of telecommunications traffic relative to the capacity of a single channel.
- erm noun Initialism of enterprise relationship management.
- errno noun A value or variable that identifies the kind of error (or lack thereof) that has occurred during the execution of a program or subroutine.
- error verb To function improperly due to an error, especially accompanied by error message.
- error correct verb To debug.
- error diffusion noun A form of halftoning in which the quantization residual is distributed to neighbouring pixels that have not yet been processed.
- escape noun escape key
- escape character noun A single metacharacter, usually a control code, which in a sequence of characters signifies that what is to follow takes an alternative…
- escape sequence noun An escape character together with subsequent characters, not output as written, but specifying a particular behaviour.
- escapement noun The linkage in a (watch) that gives impulses to the timekeeping element and periodically releases the gear train to move forward, advancing…
- escaper noun A program or algorithm for escaping text.
- escrowable adj Suitable for partitioning.
- esoteric programming language noun A programming language with highly unconventional syntax or operation, designed as an experiment or as a joke rather than for the serious…
- essential prime implicant noun A prime implicant on a Karnaugh map which "covers" at least one 1 which is not covered by any other prime implicant.
- estate noun An organization's collective information technology resources.
- eta conversion noun One of the three rewrite rules of lambda calculus, which expresses a sort of tautology about function application. The rule says that a…
- etendue noun A conserved property of the light in an optical system which characterizes how "spread out" the light is in terms of angle and area: it is…
- Euler-Lagrange equation noun A differential equation which describes a function mathbf q(t) which describes a stationary point of a functional, S( mathbf q)=∫L(t…
- Eurocard noun A printed circuit board card in a standard European format, designed to plug into a standardized subrack.
- Eurowhite adj Predominantly white, with a relatively small logo.
- eval verb To evaluate (or execute) source code held in a string during run time.
- evaluate verb To compute or determine the value of (an expression).
- evaluation noun Determination of the value of a variable or expression.
- evanescent adj Of an oscillating electric or magnetic field: not propagating as an electromagnetic wave but having its energy spatially concentrated in…
- evangelist noun A person hired to promote a particular technology.
- event noun A possible action that the user can perform that is monitored by an application or the operating system (event listener). When an event…
- event-based adj Synonym of event-driven.
- event-driven architecture noun A software architectural pattern promoting the production, detection, consumption of, and reaction to events.
- eventing noun The ability of one system or part of a program to send notifications to another, by raising events.
- evergreen adj Of a document, a piece of software, or a data set: kept continually up to date (as opposed to being published at regular intervals and…
- evict verb To eject from a memory cache to reduce the cache's size.
- evidence-gathering noun The collection of potential evidence, which may be present in computer or network logs, on deprecated websites, or the collection of data…
- evil adj Undesirable; harmful; bad practice.
- evil twin noun A rogue wireless access point installed near a legitimate one for purposes of eavesdropping or phishing.
- evolutionarily stable strategy noun A strategy that, when adopted by a population, is effective and not foreseeably likely to be replaced by another strategy.
- exabit noun One quintillion (10¹⁸, or 1,000,000,000,000,000,000) bits or 1,000 petabits.
- exabyte noun One quintillion (10¹⁸, or 1,000,000,000,000,000,000) bytes or 1,000 petabytes.
- exbibyte noun Strictly, 2⁶⁰ (1024⁶, 1,152,921,504,606,846,976) bytes or 2¹⁰ (1024) pebibytes, as opposed to an exabyte.
- exception verb To throw an exception.
- exceptionless adj Without the use of an exception-handling mechanism.
- exchange noun A central office.
- exclusive or noun Exclusive disjunction: the use of or to indicate that of two predicates, one is true and one is false (without specifying which is which)…
- excursion noun An occurrence where an aircraft runs off the end or side of a runway or taxiway, usually during takeoff, landing, or taxi.
- exec verb To execute; to run.
- executable noun A file that can be run directly by a computer's hardware or a p-code interpreter with no further processing.
- executable code noun Instructions for a computer in a form the computer can directly use (i.e. which it can execute). Derived from source code by compiling or…
- execute verb To start, launch, or run.
- execution noun The carrying out of an instruction, program or program segment by a computer.
- execution time noun The amount of time required for a program or task to complete a single instruction on a computer system.
- executive noun A process that coordinates and governs the action of other processes or threads; supervisor.
- executor noun A component of a system that executes or runs something.
- exfiltration noun A method for managing storm water runoff.
- existential noun Ellipsis of existential type (“in a type system: a type that hides the underlying concrete type(s)”).
- existential type noun In a type system: a type that hides the underlying concrete type(s).
- exit verb To end or terminate (a program, subroutine, etc.)
- exit code noun A sequence of digits that must be dialled before the target number when placing an international call from a given country.
- exit program noun A computer program which exits cleanly from an application, or on computer shutdown
- exogenous adj Having no meaning in itself, such as an automatically generated sequential identifier.
- exoskeletal adj Having rotor blades extending inwards from the inner surface of a rotating drum, rather than outwards from a central shaft.
- expand verb In a hierarchical list (such as a directory tree or table of contents), to show the subentries of (an entry).
- expanded memory noun On x86-compatible PCs, a way to increase available memory beyond the 640 kilobytes usable by DOS, through use of bank switching.
- expander noun A control that expands to show more options or commands, keeping them hidden until needed.
- expansion card noun A circuit board that connects to the motherboard of a computer in order to allow additional capabilities.
- expansion pack noun A module that adds new content to an existing piece of software.
- expensive adj Taking a lot of system time or resources.
- expire verb To cause to lapse; to invalidate.
- explicit modeling noun A type of digital modeling that defines surfaces, edges, nodes, and points either via solid models or via wireframe models.
- explode verb To break (a delimited string of text) into several smaller strings by removing the separators.
- exploit noun A program or technique that takes advantage of a vulnerability in other software.
- explorer noun A visual representation of a file system etc. through which the user can navigate.
- explosive adj Of a specific cellular automaton rule, tending to exhibit infinite and unpredictable growth when starting from finite random patterns.
- explosive decompression noun A situation where the ambient air pressure suddenly drops faster than the air in the lungs can escape, creating a risk of barotrauma to the…
- exponent noun The part of a floating-point number that represents its exponent value.
- exponential object noun An object which indexes a family of arrows between two given objects in a universal way, meaning that any other indexed family of arrows…
- exponentiate verb To apply a mathematical exponentiation function.
- export verb To send (data) from one program to another.
- expose verb To make available to other parts of a program, or to other programs.
- expression noun A piece of code in a high-level language that returns a value.
- expression template noun A template that builds structures representing a computation at compile time, where expressions are evaluated only as needed to produce…
- expressive adj Able to represent a number of ideas or concepts.
- EXPTIME noun The set of all decision problems that are solvable by a deterministic Turing machine in exponential time.
- expunge verb To delete permanently (e-mail etc.) that was previously marked for deletion but still stored.
- ext noun extension
- extensibility noun A quality of design that takes possible future advances into consideration and attempts to accommodate them.
- extension noun A numerical code used to indicate a specific telephone in a telecommunication network.
- extension cord noun An electrical cord with a plug one end, and a single socket or a multi-port socket at the other end, used for powering one or more devices…
- extension reel noun An extension lead that rolls up, usually into the socket end, which in some cases has more than one socket on it (often 2 or 4).
- extensive form game noun Informally, a representation of a game as a tree of decision nodes, with the game beginning at a unique initial node, and flowing through…
- extent noun A contiguous area of storage in a file system.
- extern noun In the C and C++ programming languages, a variable that can be separately declared in many places, all of them referring to the same…
- external noun A variable that is defined in the source code but whose value comes from some external source.