二倍 (にばい, nibai) Japanese meaning: double | Kotomoraは
あの
箱
の
二
倍
の
大
きさ
です
。
This box is twice as big as that one.
Don't confuse with
一倍 now usually means the same amount (×1), while 二倍 means double (×2), even though 一倍 historically also meant 'double', causing confusion.
二倍 is a noun meaning 'twice the amount' as a static quantity, whereas 倍増 describes the process or event of doubling.
Written forms
二倍
２倍
Common in informal writing, advertisements, or when numerals are preferred.
Etymology
Compound of 二 (two) and 倍 (times, -fold).
