Fermi

//ˈfɜː(ɹ)mi// name, noun

name, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    An obsolete name of the unit of length equal to one femtometre (10⁻¹⁵ m).
  2. 2
    a metric unit of length equal to one quadrillionth of a meter wordnet
Proper Noun
  1. 1
    A surname from Italian. countable, uncountable
  2. 2
    The physicist Enrico Fermi countable, uncountable

Synonyms

All synonyms
enrico fermifemtometerfemtometerfemtometre

Example

More examples

"NASA's Fermi Gamma-ray Space Telescope has detected a signal coming from the center of the Andromeda galaxy."

Etymology

Etymology 1

Named after Italian physicist Enrico Fermi.

Etymology 2

From Italian Fermi.

Related phrases

Fermi bubbleFermi energyFermi estimateFermi paradoxFermi questionFermi surfaceFermi-Dirac statisticsFermi-Kurie plot

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.