Words · Less common
fermion
7 letters · 7 distinct letters
- noun
any particle that obeys Fermi Dirac statistics and is subject to the Pauli exclusion principle
Word history
From Fermi + on. Named after Italian American physicist Enrico Fermi. Coined by English physicist Paul Dirac in 1945 in a lecture titled "Developments in Atomic Theory".
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Why this word counts
- Where it comes from
- Listed in the English Speller Database at size 70: the largest list we accept, where the rarer words live.
- How common it is
- Used about once in every 9 million words.
- In the spelling bee
- Bonus word Words found only in the largest list score as bonus words rather than daily answers.