FEMTOSECOND
Meaning of FEMTOSECOND in English
n.
Pronunciation: ' fem(p)-t ə - ˌ se-k ə nd, -k ə nt, -t ō -
Function: noun
Date: 1976
: one quadrillionth of a second
Merriam Webster Collegiate English Dictionary.
Merriam Webster - Энциклопедический словарь английского языка.
2012