busy signal
An audible signal to the calling party that indicates failure to complete the requested connection; an engaged tone.
Entries starting with B
623 entries.
butment
nounConstruction
The mass of stone or solid work at the end of a bridge, by which the extreme arches are sustained, or by which the end of a bridge without arches is supported.
butment cheek
nounCarpentry
The part of a mortised timber surrounding the mortise, and against which the shoulders of the tenon bear.
butt
nounCarpentry
An end of something, often distinguished in some way from the other end.
butt hinge
nounCarpentry
A kind of hinge used in hanging doors, lid, covers, etc.; so named because fastened on the edge of the door, which butts against the frame, stop molding, and casing, instead of on its face, like the strap hinge; also called a butt.
butt joint
nounWoodworking
A joint formed by adjacent, separate section of material, such as where two neighboring pieces of insulation abut.
butterfly
A safety link or detaching hook above the cage attached to the winding rope to prevent the cage from being overwound.
butterfly door
nounAutomotive
A car door similar to scissor door, but while scissor doors move straight up via hinge points at the bottom of the A-pillar, butterfly doors move up and out via hinges along the A-pillar.
buttinsky
A robust portable one-piece telephone instrument with clips, used by technicians and lines staff for testing telephone circuits or making a temporary connection to a telephone line.
buttock
The convexity of a ship behind, under the stern.
buttocker
A worker who gets coal off at a longwall face.
button
A knob or disc that is passed through a loop or (buttonhole), serving as a fastener.
button punch
indenting two or more thicknesses of metal that are pressed against each other to prevent slippage between the metal.
button pusher
nounManufacturing
A low-skilled or unskilled worker: someone from whom one can expect little or nothing more than rote pushing of buttons (not showing, for example, critical thinking, insight, or leadership).
buttonhook
A hook used to pull thread through the holes of a button.
butty
A miner who works under contract, receiving a fixed amount per ton of coal or ore.
buyer
nounManufacturing
A person who purchases items consumed or used as components in the manufacture of products.
buzz
To fly at high speed and at a very low altitude over (an area), as to make a surprise pass.
buzzie
A hand-held pneumatic drill used in mining.
buzzin' dozen
The Detroit Diesel 12V71, 12V92, or 12V149 engine.
BY
nameRail equipment
The station code of Byculla railway station in India.
bye-workman
An underground mine labourer.
bypass duct
A component used in HVAC systems to manage airflow by providing an alternative path for excess air.