Word Games Pro Dictionary

femtosecond

noun

one quadrillionth (10^-15) of a second; one thousandth of a picosecond

Quick reference

Word Facts

Word length
11
Starts with
F
Ends with
D
Contains
EM
Scrabble score
19
Database source
OEWN 2025 Core

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Meaning

Definitions

noun

  1. one quadrillionth (10^-15) of a second; one thousandth of a picosecond

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