attosecond

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Definitions from WordNet

Noun attosecond has 1 sense

attosecond - one quintillionth of a second; one thousandth of a femtosecond
--₁ is a kind of time unit, unit of time
--₁ is a part of femtosecond

Definitions from the Web

Term: attosecond

Noun - Physics

A unit of time equal to one quintillionth (10^-18) of a second, used in ultrafast spectroscopy and the study of short-lived phenomena.

Example sentence: The femtosecond laser pulse emitted attosecond x-ray pulses, allowing scientists to observe the behavior of electrons in real time.

Noun - Informal

A very short or brief period of time; an extremely small unit of time.

Example sentence: In the blink of an eye, his car accelerated from 0 to 60 miles per hour in attoseconds.

Adjective - Local

Pertaining to something happening or popular at the local level.

Example sentence: The attosecond festival is a celebration of local musicians and artists, showcasing their talents to the community.