O OneWordDaily
AI-generated image
Word of the Day Tuesday, June 9, 2026

attosecond

/ætəˈsɛnd/ noun · British & US
Valid in UKValid in US
Share WhatsApp

What does attosecond mean?

noun

A unit of time equal to 10^-18 seconds, used to measure extremely short time intervals in physics.

Example

"The scientists used an attosecond laser to study the behavior of electrons in atoms."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for attosecond

Antonyms of attosecond

Rhymes with attosecond

Etymologically related