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ゼプト Japanese meaning | Kotomora

ゼプト

Meanings

1

prefix

zepto-; 10^-21

SI prefix meaning 10^-21. Used in scientific and technical contexts.

ゼプト秒びょうは10のマイナス21乗じょう秒びょうです。
A zeptosecond is 10^-21 seconds.

Similar words

ゼタ
ゼタ (zetta-) is the corresponding large SI prefix for 10^21, while ゼプト is for 10^-21.
アト
アト (atto-) is the next smaller SI prefix, 10^-18, while ゼプト is 10^-21.

Etymology

From the international SI prefix 'zepto-', derived from Latin 'septem' (seven) because 10^-21 = (10^-3)^7.