n.
Pronunciation: ˌ p ē -k ō - ' se-k ə nd, -k ə nt
Function: noun
Etymology: International Scientific Vocabulary
Date: circa 1962
: one trillionth of a second
n.
Pronunciation: ˌ p ē -k ō - ' se-k ə nd, -k ə nt
Function: noun
Etymology: International Scientific Vocabulary
Date: circa 1962
: one trillionth of a second
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012