DI
nounAutomotive
Initialism of direct injection (“fuel injection”).
Entries starting with D
316 entries.
dial gauge
nounAutomotive
A gauge on an instrument panel with a dial face rather than an warning light or a digital display.
dial-around
A service that allows an international (or other) telephone call to be made indirectly through another number, thus avoiding the usual call routing and potentially saving money.
diamond cross
A lace knitting stitch pattern, multiple of 17 plus 2 stitches, 35 rows in pattern.
diamond crossing
nounRail equipment
An at-grade junction between two crossing railroad tracks.
diamond crossover
nounRail equipment
superimposed pair of railway crossovers, resembling a letter X, permitting to travel in either direction between a pair of parallel tracks
diamond junction
nounRail equipment
An at-grade junction between two crossing railroad tracks.
diaphragm
A flexible membrane separating two chambers and fixed around its periphery that distends into one or other chamber as the difference in the pressure in the chambers varies.
dibhole
The lowest part of a mine, into which the water drains.
DIC
nounAutomotive
Initialism of driver information centre/center.
die cutting
nounMetalworking
The general process of using a die to shear webs of low-strength materials.
die plate
nounMetalworking
A die in the form of a metal plate.
die-cut
verbManufacturing
To cut with dies; to use a die to shear webs of low-strength material.
diesel engine
An internal combustion engine of piston engine type that operates using the Diesel cycle, with diesel fuel being sprayed into the hot, high-pressure air in the combustion chamber at the end of the compression stroke.
diesel exhaust fluid
A liquid used to reduce controlled emissions from the exhaust of diesel engines.
diesel locomotive
a locomotive powered by a diesel engine, often in a genset-like arrangement (i.e., diesel-electric).
diesel multiple unit
nounRail equipment
A multiple-unit train of two or more coaches powered by diesel engines, usually installed underfloor.
diesel particulate filter
A device designed to remove diesel particulate matter or soot from the exhaust gas of a diesel engine.
diesel-hydraulic
adjectiveMechanical engineering
Powered by a diesel engine via a hydraulic transmission.
diff
nounAutomotive
Abbreviation of differential: the differential gear in an automobile.
diff lock
locking differential
difference gate
A logic gate whose output is TRUE when the two inputs are different; a Boolean logic XOR gate.
differential steering
Steering by means of driving the wheels or treads on one side of a vehicle faster than those on the other side, or driving the wheels or treads on one side in the forward and on the other side in the reverse direction.
dig
To take ore from its bed, in distinction from making excavations in search of ore.
digger gold
Highly valuable, recoverable precious metals found inside discarded electronic devices (e-waste).
digit trunk
Synonym of bus (“an electrical conductor or interface serving as a common connection for two or more circuits or components”)
digital decay
The gradual process by which information online or in digital storage disappears or becomes inaccessible.
digital electronics
A field of electronics involving the study of digital signals and the engineering of devices that use or produce them.
digital footprint
Digital evidence of a person's activities and interactions with others on the Internet, TV, mobile devices, etc.
digital meter
A type of measuring device which records the use of electricity and water, and which then electronically reports the usage to a utility company at regular intervals.
digital predistortion
A technique used to increase linearity or compensate for nonlinearity in power amplifiers.
digital press
A high-speed industrial digital printer.
digital twin
nounManufacturing
A digital model of an intended or existing real-world physical product, system, or process (a physical twin); it serves as the effectively indistinguishable digital counterpart of it for practical purposes, such as simulation, computer-aided manufacturing, testing, monitoring, and maintenance.
digital-to-analog converter
A device that converts a finite resolution digital signal to an infinite resolution analog signal.
dimensional shingle
nounConstruction
A shingle that is textured, overlayed, or laminated and designed to produce a three-dimensional effect.
dimit
nounManufacturing
a resignation from a lodge
dimity
nounManufacturing
A light strong fabric with woven stripes or squares.
DIN connector
A cylindrical connector consisting of circular pins protected by a circular wall.
dingleberry
Any residual irregularity following processing.
dino juice
Clipped compound of dinosaur juice.
dinosaur juice
Any liquid (gasoline, diesel, mineral oil etc.) derived from fossil fuels (especially petroleum), commonly used in vehicles as fuel or lubricant.
diode
An electronic device that allows current to flow in one direction only; used chiefly as a rectifier.
dip stitch
A stitch made by knitting into a stitch (or even the space between stitches) of an earlier row.
DIP switch
A miniature switch designed to be attached to a circuit board to customize the behavior of the circuit.
dipstick
To measure the level of a fluid using a dipstick.
directivity
A measure of the performance of an antenna compared to an isotropic antenna; the ratio of the maximum value of radiation intensity to the average radiation intensity.
dirt
In placer mining, earth, gravel, etc., before washing.
disc brake
nounAutomotive
A type of brake where the friction is produced by brake pads which are pressed against a disc (or rotor) made of steel or ceramic.
disc harrow
A harrow comprising a series of angled discs
discharge
verbManufacturing
To bleach out or to remove or efface, as by a chemical process.
disconnector
A switching device used to open an electric circuit when there is no current through it. They are used to isolate a part of an electrical system to allow the maintenance staff a safe access to it.
discrete component
a component with just one circuit element, either passive (resistor, capacitor, inductor) or active (transistor or vacuum tube).
disk wheel
nounAutomotive
A wheel consisting of a solid convex or concave surface extending from its hub to rim.
displacement
The transfer of electricity along tubes of induction and thereby polarizing a dielectric.
displacement current
The direction and rate of change of the electric displacement field at a given point of space and time. It can be expressed as a vector.
distributable
nounConstruction
Any of the costs that are not directly associated with a specific account.
distribution
The process of sorting the types and placing them in their proper boxes in the cases.
distributor
An appliance, such as a roller, in a printing press, for distributing ink.
district
A specific, usually named area of the coalface where particular seams are worked.
ditchfinder
A poor-quality tyre for a car, usually one made and sold cheaply.