[ 'fɛmtəʊ ]
■ combining form denoting a factor of 10 -15 : femtosecond.
Origin
from Dan. or Norw. femten 'fifteen'.
FEMTO-
Meaning of FEMTO- in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004
[ 'fɛmtəʊ ]
■ combining form denoting a factor of 10 -15 : femtosecond.
Origin
from Dan. or Norw. femten 'fifteen'.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004