Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
attosecond | Yes | No | No | No |
femtosecond | Yes | No | No | No |
attosecond (noun) | femtosecond (noun) |
---|---|
one quintillionth (10^-18) of a second; one thousandth of a femtosecond | one quadrillionth (10^-15) of a second; one thousandth of a picosecond |