fs

About 1.78 uses per million words.

Meaning

1. symbol Symbol for femtosecond, an SI unit of time equal to 10 seconds.
2. noun plural of f
3. prepositional phrase Abbreviation of for sure.

Similar words

federal official federal federal reserve federal reserve system usda definitely certainly surely undoubtedly unquestionably

Often followed by

and is are in to pulses for of laser

Word family

FS