/ bærəl /
cask · bbl · gun barrel · barrelful · drum
A unit of liquid capacity, the value of which depends on the liquid being measured. It is used for petroleum, a barrel of which contains 159 liters/42 gallons; a barrel of alcohol contains 189 liters/49.9 gallons.(container) Cylindrical container, tapering at each end, made of thick strips of wood bound together by metal hoops. Barrels are used for the bulk storage of fine wines and spirits.
Barrels were made by craftsmen known as coopers, whose main skill was the shaping and bending of the wooden strips (staves) so that they fitted together without gaps when secured by the hoops. Barrels were widely used for storing liquids and dry goods until the development of plastic containers.
1. A cylindrical container that holds liquids; SYN. cask.
2. Any of various units of capacity; SYN. bbl.
3. The cylinder through which bullet travels when gun is fired; SYN. gun barrel.
4. The quantity that a barrel (of any size) will hold; SYN. barrelful.
5. A bulging cylindrical shape; hollow with flat ends; SYN. drum.
ETYM Old Eng. barel, French baril, prob. from barre bar. Related to Barricade.
/ kɔːr /
nucleus · core group
1. The center of an object.
2. The central part of the earth.
3. The region of a nuclear reactor containing the fissile material where the reaction takes place.
4. A small group of indispensable persons or things; SYN. nucleus, core group.
5. A rod of magnetic material (as soft iron) that passes through a coil and serves to increase the inductance of the coil.
6. A cylindrical sample of soil or rock obtained with a hollow drill.