First Known Use: circa 1962
Dictionary
picosecond
noun pi·co·sec·ond \ˌpē-kō-ˈse-kənd, -kənt\
Definition of PICOSECOND
: one trillionth of a second
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Origin of PICOSECOND
International Scientific Vocabulary
Rhymes with PICOSECOND
Medical Dictionary
picosecond
noun pi·co·sec·ond \ˈpē-kō-ˌsek-ənd, -ənt\
Medical Definition of PICOSECOND
: one trillionth of a second—abbreviation ps
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