also: バーレル
noun
barrel; barrel as a unit of volume
A unit of volume, especially familiar in contexts such as oil prices and production figures. It is a unit noun used after numbers, as in 1バレル or 一日あたり何万バレル.
原油価格は一時、1バレル80ドルを超えた。
Crude oil prices briefly exceeded 80 dollars per barrel.
その油田は一日に約五万バレルを生産している。
That oil field produces about fifty thousand barrels a day.
Katakana term for the volume unit 'barrel'; no borrowing language or detailed etymology is specified.