brewster
A unit of stress optical coefficient which is equal to 10⁻¹² m²/N or 10⁻¹² Pa⁻¹. Symbol: B.
Entries starting with B
623 entries.
Bri-Nylon
nameManufacturing
A brand of nylon fiber that was produced in the UK, and dominated British fashion during the 1960s and 1970s.
brick-wall limiter
A limiter circuit that completely cuts off signals above a specified threshold, rather than merely attenuating the peaks.
bricking
The state of an electronic device being rendered completely unusable by a failed or corrupted firmware or software change.
bricklay
To lay brick; to use mortar to construct a structure using bricks.
bridge
Any of several electrical devices that measure characteristics such as impedance and inductance by balancing different parts of a circuit
bridge route
nounRail equipment
a railroad which provides a link from one major carrier (railroad) to another.
bright
adjectiveMetallurgy
Of a metal object or surface: lacking any protective coating or surface treatment for the prevention of corrosion.
brightener
nounMetallurgy
Any substance added to an electrolytic bath to yield a brighter electroplated surface.
brilliant
The size of type between excelsior and diamond, standardized as 4-point.
bring up
To check (a newly-assembled printed circuit board) for errors.
bringup
The process of checking newly-assembled printed circuit boards for defects and ensuring they run as expected.
brittle fracture
type of fracture without plastic deformation
broach
nounConstruction
A broad chisel for stone-cutting.
broad gauge
A track gauge that is greater than standard gauge.
broadband
A wideband of electromagnetic frequencies.
broadcast radiation
The accumulation of broadcast and multicast traffic on a computer network.
broadcast storm
Extreme amounts of broadcast traffic over a computer network, typically caused by a loop in the network topology.
broadcaster
A machine used to broadcast or spread seeds, fertilizer, etc.
broadcasting
The act of spreading seeds over a wide area.
broke
nounPaper and pulp
Paper or board that is discarded and repulped during the manufacturing process.
broken in
adjectiveMechanical engineering
(sometimes comparative) Having been broken in to seat the parts.
bronzing
nounMetallurgy
The process of coating items with bronze.
brood
Heavy waste in tin and copper ores.
broom
verbConstruction
To improve the embedding of a membrane by using a broom or squeegee to smooth it out and ensure contact with the adhesive under the membrane.
brow
A gallery in a coal mine running across the face of the coal.
browman
The worker in charge of the cages at the pithead.
brown bag
To plant seed saved from one's own harvest, as opposed to buying new seed from a seed company.
brown bagging
The agricultural practice of planting seed saved from the farmer's own harvest, as opposed to buying new seed from a seed company.
brown box
A device used in phreaking that allows the creation of a party line from two telephone lines.
brown leaf
A condition of timothy grass, with a wide range of contributors, that adversely affects the marketability of timothy hay.
browning
nounConstruction
A smooth coat of brown mortar, usually the second coat, and the preparation for the finishing coat of plaster.
brownout
A temporary closing of a fire station, usually due to budget restrictions.
BRS
Initialism of bus rapid service.
BRT
Initialism of bus rapid transit.
brush blade
An attachment to a rake, for tearing brush and roots out of a fireline.
brushed
adjectiveAgricultural equipment
Having been processed by rotating brushes that loosen and remove dirt.
brusher
A person employed to cut or blast the roof or floor of a roadway and so give more height.
brute de forge
nounMetalworking
Forge texturing, a metal finish, where the finished surface leaves the forge and hammering marks in place without grinding, sanding, polishing it away, except where such activity is necessary.
BS
nameAutomotive
Abbreviation of Bridgestone, a tire company.
BSC
Initialism of Basic Spacing between Centers: Used in integrated circuits to specify package mechanical dimensions. This is a theoretical true position dimension and has no tolerance.
BSM
nameAutomotive
Initialism of blind spot monitor
BSP
nounPlumbing
Initialism of British Standard Pipe.
Bt
Bacillus thuringiensis, a species of bacteria used for biological control of insects.
Bti
Bacillus thuringiensis israelensis, a type of bacterium used in the biological control of certain insects.
BTT
Initialism of Basic Theory Test, a computerised knowledge test on the Singapore road rules held at a driving center.
BTU
Initialism of British thermal unit.
BTX
Initialism of (mixture of) benzene, toluene, and xylenes.
bubble car
a single-car multiple unit
bubble romper
A one-piece outfit for babies and toddlers consisting of a loose and baggy fit around the lower body, creating a bubblelike shape.
buccaneer
Any of a group of seamen who cruised on their own account on the Spanish Main and in the Pacific in the 17th century, who were similar to pirates but did not prey on ships of their own nation.
buck
verbMetalworking
To press a heavy, shaped bucking bar against the bucktail of a rivet, while the opposite end (the rivet factory head) is hammered by a rivet gun, to upset the bucktail into an appropriate shape, most commonly a pancake-shape.
bucker
nounMetalworking
A holder-up; one who bucks rivets, typically holding a heavy bucking bar against the bucktail of a rivet which is heated if necessary till it is soft, while the riveter (or gunner or, before mechanisation, basher) uses a rivet gun (an adjustable pneumatic hammer) fitted with a rivet set, against the factory head to provide impulses which upset the bucktail into a field head.
bucket
A turbine blade driven by hot gas or steam.
bucket brigade
A discrete-time analogue delay line that moves a signal along a line of capacitors, one step at each clock cycle.
bucket shop
A travel agency selling discounted airfares, usually in defiance of existing minimum fare arrangements. Now usually refers to any small cheap agency.
bucking
The process of cutting a felled and delimbed tree into logs.
bucking bar
nounMetalworking
A heavy bar held against the bucktail of a solid rivet, which has been heated if necessary to soften it, and passed through the items to be held together, while a rivet gun hammers on the rivet's factory head; the impulses from the hammer, reflected by the bucking bar, then upset the bucktail to form a field head which is typically pancake-shaped.
buckle
nounManufacturing
A distortion; a bend, bulge, or kink.
BUD
Initialism of big ugly dish.