Attosecond

Quick meaning: Attosecond is a noun meaning (metrology) An SI unit of time equal to 10⁻¹⁸ seconds. Symbol: as.

Meaning

(metrology) An SI unit of time equal to 10⁻¹⁸ seconds. Symbol: as.

Example Sentences

Meronyms: quectosecond < rontosecond < yoctosecond < zeptosecond

The observation and manipulation of electron dynamics in matter call for attosecond light pulses, routinely available from high-order harmonic generation driven by few-femtosecond lasers.

I can think at the speed of light, I can perceive events that last for less than an attosecond, I can run faster than time. What do I see when I run across the country, Superman? I see everything. And everyone.

We humans are so stuck in the middle of the cosmic scales — in average height, one-hundredth of one-septillionth (10^-24) the size of the observable universe, and with typical life spans of a couple octillion attoseconds. And an attosecond is an eternity compared with the lifetime of the elusive Higgs boson, a subatomic particle that exists for one-thousandth of an attosecond before decaying.

Word Forms

• attoseconds

Related Words

Related dictionary entries include rontosecond, exasecond, megasecond, yoctosecond, nanosecond, zeptosecond.

Related Dictionary Tools