FEMTO-


Meaning of FEMTO- in English

transcription, транскрипция: [ combining form ]

Etymology: International Scientific Vocabulary, from Danish or Norwegian femten fifteen, from Old Norse fimmtān; akin to Old English fīftēne fifteen

: one quadrillionth (10 -15 ) part of

femto second

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.