femto- en · X
Etymology
Etymology tree Proto-Indo-European *pénkʷe Proto-Germanic *fimf Proto-Indo-European *déḱm̥ Proto-Germanic *tehun Proto-Germanic *fimftehun Old Norse fimmtánder. Danish femtender. English femto- From Danish femten (“fifteen”), with reference to the (negative) exponent in the relevant power of ten; the same principle also explains atto-.
Meanings
- (morpheme) In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 10⁻¹⁵ (short scale quadrillionth or long scale billiardth).
Antonyms
Relateds
Translations (19)
th เฟมโต- (prefix) · id femto- (prefix) · vi fem-tô (prefix) · is femtó- (prefix) · bg фемто- (prefix) · fr femto- (prefix) · sv femto- (prefix) · ja フェムト (prefix) · de femto- (prefix) · pl femto- (prefix) · cs femto- (prefix) · gl femto- (prefix) · es femto- (prefix) · da femto- (prefix) · hu femto- (prefix) · ms femto- (prefix) · cmn 飞- (prefix) · fi femto- (prefix) · vi phem-tô (prefix)