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 87 of 91: from “untrigger” to “vectorize”.
- untrigger verb To undo the triggering of (a rule or action).
- untrim verb To restore the original shape of (a surface that has been trimmed).
- untrust noun The zone representing everything that originates outside of the firewall.
- untunneled adj Not using a tunnel (wrapper for insecure or unsupported protocol).
- unvoiced adj That does not contain voice.
- unwind verb To navigate back through (a call stack) so as to generate a stack trace etc.
- unwrap verb To remove word wrap from.
- unwrite verb To revert to a known state in so that new data can be written.
- unzip verb To restore (compressed data) to its original form, from a zip file.
- unzipper noun A program that extracts files from compressed archives.
- up verb To upload.
- up and away adv Of retractable landing gear, retracted and stowed (put away), as contrasted with being down and locked (extended and secured for use).
- upcall noun A call from a lower-level subsystem, such as a kernel or framework, to a higher-level subsystem, such as user code.
- upcast verb To cast from subtype to supertype.
- upcode noun The behavioral norms which influence how software (or "downcode") is produced.
- upconversion noun Conversion of a lower radio frequency to a higher frequency, possibly using a mixer.
- update noun An adjustment of parameters in a model, or the rule by which they are adjusted.
- upgrade verb To replace a program with a later version of itself, a version having a higher version number or marketed under a more recent product name.
- uplead noun The line or lines connecting the output of a transmitter to its antenna.
- uplift verb To be accepted for carriage on a flight.
- uplink noun The communication path from a mobile device to a base station, a consumer to the network backbone, a client device to a server, etc.
- upload verb To transfer data to a computer on a network, especially to a server on the Internet.
- uplock noun A mechanism that secures an aircraft's landing gear in the retracted position, helping to prevent an uncommanded gear deployment during…
- upmix verb To demix a downmixed track and increase the number of channels: convert mono into stereo, or stereo into surround sound, etc.
- upper camel case noun The practice of writing identifiers by concatenating multiple component words, each of which is capitalized.
- UPS verb To connect a device to an uninterruptible power supply.
- upsert verb To insert rows into a database table if they do not already exist, or update them if they do.
- upset noun The dangerous situation where the flight attitude or airspeed of an aircraft is outside the designed bounds of operation, possibly…
- upsetter noun A kind of forging machine that moves horizontally.
- upstream adj In the direction from the client to the server.
- uptime noun The period of time a computer has functioned since last requiring a reboot.
- uptree adj Higher in a tree data structure.
- upvalue noun A free variable that has been bound (closed over) with a closure.
- upwing adj Toward the side of the plane where the wing is higher than the plane.
- URL injection noun A type of code injection attack that involves adding malicious characters to data values in the argument values of a URL.
- USB noun A USB flash drive.
- USB adapter noun Any of various network or communications controllers that plug into a USB port of a personal computer.
- USB key noun A USB drive used to identify and authenticate a user.
- USB token noun A hardware device serving as a user identity credential that one can connect to a standard computer interface such as a USB jack; often…
- USB Type B noun A type of USB connection with a squarish plug and socket, typically used to connect a printer or scanner to a computer.
- use case noun A potential scenario in which a system receives an external request (such as user input) and responds to it.
- user noun A person who uses a computer or a computing network, especially a person who has received a user account.
- user account noun A collection of information and settings associated with a specific user within a computer system or online service.
- user control noun A control created by a developer, usually by combining other controls, often intended for use in a specific application.
- user experience noun The desired, expected, or actual experience of a user interacting with a product, especially as it relates to the design of the product's…
- user group noun A set of users grouped together on a system for administrative purposes.
- user ID noun A a number used to uniquely identify an individual user on a computer system.
- user time noun The time required for a user to perform a task using a computer, excluding the time when the computer is busy processing.
- user-defined function noun A program or subroutine, provided by the user rather than being built into the system, that may return a value and may take input…
- user-defined graphic noun A graphic symbol defined by the user, replacing one of the text characters in the computer's character set.
- user-friendly adj Designed to be easy for an untrained user to use, with intuitive ordering of steps, consistent and logical placement of controls, etc.
- userland noun A conceptual space outside the kernel in which a user's applications can run without the risk of damage to the operating system.
- usermode noun A level of privilege on a system allowing users to run programs etc. safely without full access to the operating system.
- userspace noun The area of memory used for a user's applications, etc., as opposed to that reserved for the operating system kernel.
- Utah teapot noun A three-dimensional mathematical model of a teapot, often used as a reference object to test or assess a rendering technique.
- util noun A utility.
- utility noun A software program other than a game; one that is useful or creative rather than merely entertaining.
- utility computing noun A form of computing in which the computer resources are consumed like a traditional utility (water, electricity, gas).
- utility function noun A mathematical function that assigns a real number to every element of the outcome space in a way that captures the agent's preferences…
- utility program noun Any of a large range of software, often included with the operating system, that runs specific tasks associated with the computer or its…
- UTP noun unshielded twisted pair — a type of cable used for computer networking and telecommunications
- utters noun Unwanted depressions or other marks on the surface of an object caused when a tool is pressed too hard or vibrates against the surface.
- UV noun The axes of a two-dimensional texture, as opposed to those (X, Y, Z) of the three-dimensional model to which it is applied.
- V- prefix Referring to an internal combustion engine piston cylinder configuration, where the cylinders are aligned in a V-like shape, in which there…
- V4 noun An internal combustion engine with four cylinders in two banks of two in a V-shaped formation.
- vaccine noun A software program which protects computers against, or detects and neutralizes, computer viruses and other types of malware; an antivirus.
- vacuum verb To optimise a database or database table by physically removing deleted tuples.
- vacuum airship noun A hypothetical airship that is evacuated rather than filled with a lighter-than-air gas such as hydrogen or helium.
- vacuum tube noun A type of electron tube that controls electron current through vacuum between electrodes within a sealed container, usually of glass or…
- value restriction noun In a functional language, inference of a polymorphic type only for syntactic values (values that can be evaluated at compile time) to…
- value type noun A data type that represents a value directly, rather than a pointer or reference to something else.
- valueness noun The quality of being a value or a value type.
- valve gear noun The mechanism of a steam engine that operates the inlet and exhaust valves to admit steam into the cylinder and allow exhaust steam to…
- van noun A large towable vehicle equipped for the repair of structures that cannot easily be moved.
- van Emde Boas tree noun A tree data structure that implements an associative array with keys of up to m bits. It can perform all operations in a time proportional…
- vane noun One of the metal guidance or stabilizing fins attached to the tail of a bomb or other missile.
- vanilla adj Standard, plain, default, unmodified, basic.
- vapor lock noun A problem mostly affecting gasoline-fueled internal combustion engines, where the liquid fuel changes state from liquid to gas while still…
- vaporware noun An advertised product, often computer software, whose launch has not happened yet and might not ever happen.
- var noun Abbreviation of variable.
- varchar noun A text field of indeterminate length in a database, as opposed to the traditional fixed-length field.
- variable noun A named memory location in which a program can store intermediate results and from which it can read them.
- variable valve timing noun The process of altering the timing of a valve lift event in an internal combustion engine, and is often used to improve performance, fuel…
- variadic adj Taking a variable number of arguments; especially, taking arbitrarily many arguments.
- variance noun Covariance and contravariance generally.
- variant noun A variable that can hold any of various unrelated data types.
- variometer noun A rate-of-climb indicator.
- varistor noun An electronic component having a variable resistance; used to protect circuits against power surges.
- varying noun A kind of variable, used by a fragment shader, that interpolates values across a primitive, so as to produce gradient effects etc.
- vault noun An encrypted digital archive.
- vaultable adj Able to be stored in a vault.
- VAXocentrism noun The incorrect assumption that certain behaviours and memory storage conventions of the VAX (a computer system of the 1970s) are applicable…
- VC noun Initialism of VIP cargo, a prefix code for very important persons transport aircraft.
- VCC noun Common Collector Voltage; the positive supply voltage for an integrated circuit containing bipolar junction transistors.
- VD noun The design diving speed of an aircraft; the highest speed which the aircraft is planned to reach during flight testing. Always higher than…
- vector verb To redirect to a vector, or code entry point.
- vector clock noun An array of logical clocks used to determine the partial order of events in a distributed system and detect causality violations.
- vector graphics noun Geometrical primitives based upon mathematical equations to represent images in computer graphics, contrasted with raster graphics.
- vector image noun An image file where the image’s elements (such as lines, circles and subimages) are stored as individual objects, as opposed to a raster or…
- vectorize verb To convert an image into a vector graphics format.