O OneWordDaily
AI-generated image

caesium

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

What does caesium mean?

noun

A soft silvery-white alkali metal with an atomic number of 55, used in atomic clocks and as a source of radiation in medical and industrial applications.

Example

"The scientist used caesium to calibrate the atomic clock, ensuring its accuracy."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymologically related

Synonyms for caesium

Rhymes with caesium