process
nounManufacturing
The set of procedures used in the manufacture of a product, especially in the food and chemical industries.
Entries starting with P
582 entries.
process color
A printing process which uses four specific colored inks: cyan, magenta, yellow and black (CMYK), and halftone printing plates, to reproduce a range of colors.
process tomography
nounManufacturing
Tomographic imaging of processes, especially industrial.
product code
nounManufacturing
A unique identifier assigned to a manufactured or finished product to distinguish it for marketing, sales, inventory or tracking purposes.
production line
A set of sequential operations established in a factory whereby materials are put through a refining process or components are assembled to make a finished article.
programmable logic array
Is a kind of programmable logic device used to implement combinational logic circuits.
programmable read-only memory
A type of read-only memory which can be written to once (write once, read many memory/WORM), and thereafter becomes fixed in value.
PROM
Acronym of programmable read-only memory, a chip that can be programmed one or more times (depending on the type) and generally cannot be re-programmed without special equipment (if at all); once programmed and installed in a device, it functions as a read-only chip (as if it had been hard-wired to function that way).
proof
A proof sheet; a trial impression, as from type, taken for correction or examination.
proof sheet
A page of proofed text; a sheet used to make corrections, emendations, etc. before being printed for use.
propagation constant
The change underdone by the amplitude and phase of an electromagnetic wave as it travels in a certain direction.
propagation delay
The time taken for a signal to reach its destination.
propagation mode
The behavior of radio wave signals as they travel along transmission lines.
propagation time
In a digital circuit, the amount of time required for a signal or wave to travel from one point of a transmission medium to another.
propago
A layer or branch laid down to root.
propeller shaft
the shaft which connects the gearbox to the differential on the axle of a rear-wheel-drive or four-wheel-drive vehicle.
propulsor
A propellor enclosed in a short cylinder, that can typically be swivelled to change the angle of thrust.
proration
In budgeting, the proportional distribution or allocation of parameters, such as noise power and transmission losses, among a number of tandem-connected items, such as equipment, cables, links, or trunks, in order to balance the performance of communications circuits.
prospect
To determine which minerals or metals are present in a location.
protect
To book a passenger on a later flight if there is a chance they will not be able to board their earlier reserved flight.
protected membrane roof
an insulated and ballasted roofing assembly in which the insulation and ballast are applied on top of the membrane (sometimes referred to as an "inverted roof assembly").
protection course
A sacrificial material used to shield a waterproofing material from damaging external forces.
protoboard
A board, having a matrix of small holes to which components may be attached without solder, used for the temporary construction and testing of electrical and electronic circuits
protomylonite
A mylonite where most of the rock volume has not been ground into matrix and so contains its original texture.
protract
verbSurveying
To draw to a scale; to lay down the lines and angles of, with scale and protractor; to plot.
prove
To take a trial impression of; to take a proof of.
proximity effect
A condition when a power cable carrying electric current which is non-uniformly distributed due to the presence of other power cable or conductor nearby. This phenomena increases the apparent resistance of the power cable.
prune
To remove excess material from a tree or shrub; to trim, especially to make more healthy or productive.
prunt
A small piece of glass fused to the main body of a piece of glasswork and then shaped or pressed, for decoration
prunus
A type of traditional decoration on porcelain that depicts the leaves and branches of the Chinese plum, Prunus mume.
ps
nounAutomotive
Abbreviation of power steering.
PS/2
Ellipsis of PS/2 port, the serial I/O interface standard created for the IBM PS/2 keyboard and mouse.
PSB
nounRail equipment
Initialism of power signal box.
PSDU
physical layer service data unit.
pseudo-city code
a short alpha-numeric code used by global distribution systems to differentiate between different travel agency offices.
pseudochannel
nounHydraulics
One division of an actual channel into multiple theoretical channels, one per opening, to represent flow through openings into sidestreams.
pseudoscope
An optical instrument that reverses perception of depth.
pseudoscopy
Reversed perception of depth.
PSG
Initialism of programmable sound generator.
PSM
nounAutomotive
Initialism of permanent-magnet synchronous motor.
PSNEXT
Initialism of power sum near-end crosstalk.
PSR
Initialism of primary surveillance radar.
psso
verbManufacturing
Initialism of pass slipstitch over.
PSTN
Initialism of public switched telephone network
PSU
Initialism of power supply unit.
psychocentric
adjectiveTransport and logistics
Of a tourist: tending to avoid adventures and risks, preferring the familiar; self-inhibiting.
PT
Initialism of patrol trainer (“a trainer that is also a patrol aircraft”).
PTC
Pacific Telecommunications Council.
PTDF
Initialism of Power Transfer Distribution Factor.
PTH
Initialism of plated through-hole.
PTI
Initialism of public transport interchange
PTT
Initialism of part task trainer (See Flight simulator at Wikipedia).
puddle ball
nounMetalworking
A vaguely spherical lump of gloopy wrought iron taken from the puddling furnace, which gets hammered or rolled into shapes, such as a puddle bar.
puddle bar
nounMetalworking
An iron bar made at a single heat from a puddle ball, by hammering and rolling.
puddling
nounMetallurgy
The first true industrial process to produce steel from pig iron.
pug
nounConstruction
Ellipsis of pug mill (“kind of mill for grinding, mixing, and working clay”).
pug mill
A kind of mill for grinding, mixing, and working clay, either for art or brickmaking. It consists essentially of an upright shaft armed with projecting knives, which is caused to revolve in a hollow cylinder, tub, or vat in which the clay is placed.
pull
verbConstruction
To obtain (a permit) from a regulatory authority.
pull out
To transition from a dive to level or climbing flight.
pull-down resistor
A resistor that is connected between a signal and ground in a circuit to ensure that the signal is at a low logic level.