picosecond

[ pee-kuh-sek-uh nd, pahy- ]
/ ˈpi kəˌsɛk ənd, ˈpaɪ- /

noun

one trillionth of a second. Abbreviation: ps, psec

Origin of picosecond

First recorded in 1965–70; pico- + second2

British Dictionary definitions for picosecond

picosecond
/ (ˈpiːkəʊˌsɛkənd, ˈpaɪkəʊ-) /

noun

a million millionth of a second; 10 –12 second