green-gray
adjectiveConstruction
Of infrastructure: combining natural systems with traditional engineering.
Entries starting with G
252 entries.
greenbody
A ceramic precursor, usually mesostructured with dopants, which has been formed but not yet milled or fired.
greenout
A green sign patch applied to a guide sign.
greentech
nounManufacturing
environmentally friendly technology
greenware
Pottery that has been shaped but not yet fired, especially while it is drying prior to being fireable.
greeter
A volunteer who shows tourists around their home city or region for free.
greige
adjectiveManufacturing
Of clothing, textiles, etc.: neither bleached nor dyed, nor otherwise fully processed; unfinished.
greige goods
Clothing, textiles, etc., which have neither been bleached nor dyed, nor otherwise fully processed.
greillade
iron ore in coarse powder, prepared for reduction by the Catalan process
grex
A kind of group used in horticultural nomenclature, applied to the progeny of an artificial cross from specified parents, in particular for orchids.
grice
to act as a trainspotter; to partake in the activity or hobby of trainspotting.
grid
The third (or higher) electrode of a vacuum tube (triode or higher).
gridlock
A condition of total, interlocking traffic congestion on the streets or highways of a crowded city, in which no one can move because everyone is in someone else's way.
griff
An arrangement of parallel bars for lifting the hooked wires which raise the warp threads in a loom for weaving figured goods.
grind
verbMetalworking
To remove material by rubbing with an abrasive surface.
grinding
nounManufacturing
The action of grinding a workpiece to change its size, shape, and surface finish.
grinding machine
A machine tool in which a rotating grinding wheel is moved against the workpiece (or vice versa) in order to cut the latter to a desired shape.
gripe
To tend to come up into the wind, as a ship which, when sailing close-hauled, requires constant labour at the helm.
Gripster
From grip + -ster: an industry term for an electric vacuum gripper, often a portable handheld suction lifter, or sometimes a vacuum gripper mounted at the end of a robotic arm or actuator for automated material handling. It may use one suction cup, an array of cups, or other sealing elements to grip the surface temporarily.
grizzly
A grating used to sieve stones by size, so as to keep stones out of the sluices (in hydraulic mining) or to control stone size in the feed to the ore crusher.
grizzlyman
A worker who sieves stones using a grizzly.
grog
A type of pre-fired clay that has been ground and screened to a specific particle size.
ground
An electrical conductor connected to the earth, or a large conductor whose electrical potential is taken as zero (such as a steel chassis).
ground bailiff
A superintendent of mines.
ground clearance
nounAutomotive
The measured distance between a level surface and the lowest part (other than tires or equivalent) of the bottom of a vehicle surmounting that surface.
ground control point
nounSurveying
A point with known coordinates.
ground effect
Any aerodynamic effects occurring due to a vehicle's body or appendages moving in close proximity to the ground.
ground frame
nounRail equipment
A lever frame controlling the operation of points and/or signals which is installed at ground level.
ground loop
A (usually unwanted) current that flows between two points that are meant to be at the same potential, but are not.
ground out
To provide proper grounding for a circuit.
ground proximity warning system
A device which warns a pilot that their aircraft may be in danger of collision with the ground.
ground signal
nounRail equipment
A dwarf railway signal, mounted close to the ground.
ground wire
A wire that connects a circuit to ground.
grounded
adjectiveElectrical engineering
Of or pertaining to an electrical conductor which is connected to earth; earthed.
grounding
The interconnecting metal chassis or frame of a device, appliance, machine, or metal raceway via a designated conductor to earth at the service panel. It may be bare or covered, and does not carry current in normal operation.
groundlaying
The first process in decorating by means of enamelled colour.
groundwater level
nounConstruction
The level, at a particular site, below which the subsoil and rock masses of the earth are fully saturated with water.
groundway
nounManufacturing
In shipbuilding, a substantial foundation of wood or stone for the blocks on which a vessel is built.
grove
To cultivate with periodic harvesting that also serves to create order (gaps and lines of trees) to facilitate further harvesting.
GROVER
nameRobotics
Acronym of Greenland rover and Goddard remotely operated vehicle for exploration and research.
grow box
A partially or completely enclosed system for raising plants indoors or in small areas.
grow room
A room of any size where plants, sometimes illicit, are grown under controlled conditions.
growan
A decomposed granite, forming a mass of sandy gravel, found in tin lodes in Cornwall.
grubstake
Money, materials, tools, food etc. provided to a prospector in return for a share in future profits.
gruit
nounManufacturing
An herbal mixture, used in the flavouring of beer, that preceded the use of hops.
grundy
nounMetallurgy
Granulated or shotted pig iron.
GSL
Initialism of growing stock level.
GSM
Initialism of Global System for Mobile communications.
GST
One of various compounds of germanium, antimony, and tellurium used as a phase change material, including GeSbTe.
GTi
nounAutomotive
Initialism of Grand Tourer Injection.
GTL
Initialism of Gunning transceiver logic.
GTO
Abbreviation of geostationary transfer orbit.
guaranteed arrival
A hotel reservation that is either prepaid or secured by a credit card, and will be honoured regardless of the guest's check-in time.
guard
nounRail equipment
An employee, normally travelling in the last vehicle of a train, responsible for the safety of the train.
guard band
An unused part of the radio spectrum between bands, for the purpose of preventing interference.
guide
A device that guides part of a machine, or guides motion or action.
guideword
A word under the right-hand side of the last line on a book page that repeats the first word from the following page.
guinea pig
A midshipman in the East India service; (by extension) a low-skilled or non-proficient seaman.
gulf
A large deposit of ore in a lode.
gumming
The manual removal of clay, or "gum", from cut coal.