Associations to the word «Attosecond»

Wiktionary

ATTOSECOND, noun. (metrology) An SI unit of time equal to 10−18 seconds.

Dictionary definition

ATTOSECOND, noun. One quintillionth (10^-18) of a second; one thousandth of a femtosecond.

Wise words

Pass no rash condemnation on other peoples words or actions.
Thomas à Kempis