picosecond


pi·co·sec·ond

noun \ˌpē-kō-ˈse-kənd, -kənt\

Definition of PICOSECOND

:  one trillionth of a second

Origin of PICOSECOND

International Scientific Vocabulary
First Known Use: circa 1962

pi·co·sec·ond

noun \ˈpē-kō-ˌsek-ənd, -ənt\   (Medical Dictionary)

Medical Definition of PICOSECOND

: one trillionth of a second—abbreviation ps

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