fermi

noun

fer·mi ˈfer-(ˌ)mē

ˈfər-

: a former SI unit of length equal to 10⁻¹⁵ meters : femtometer

Etymology

Enrico Fermi

First Known Use

1955, in the meaning defined above

Time Traveler

The first known use of fermi was in 1955

See more words from the same year

Style

“Fermi.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fermi. Accessed 23 Nov. 2024.

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Fermi

Fer·mi ˈfer-(ˌ)mē

Enrico 1901–1954 American (Italian-born) physicist

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