10 letters · 17 points in Scrabble
noun one trillionth (10^-12) of a second; one thousandth of a nanosecond
originEtymology tree Proto-Celtic *bekkos Gaulish *bekkosbor.? Latin beccus Old Spanish bico Spanish picobor. English pico- English second English picosecond From pico- (“metric prefix”) + second.
Etymology from Wiktionary, CC BY-SA 3.0