noun, noun which may take the genitive case particle 'no'
four times; quadruple; fourfold
Indicates a quantity or degree that is four times as much as a reference. Used as a noun or with の to modify another noun.
This year's sales became four times last year's.
四倍の量の水を加えてください。
Please add four times the amount of water.
tetraploid
Standard kanji spelling.
Numerical form, common in technical or informal writing.
Compound of 四 (four) and 倍 (times, -fold).