Standard Lemma guide

probit

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • Received-Pronunciation: /ˈpɹɒbɪt/
  • General-American, dialectal: /ˈpɹɑbɪt/ of Canada
  • Wisconsin Recorded audio is listed in the source snapshot.
  • Canada, dialectal: /ˈpɹɒbɪt/ of the US
  • Australian: /ˈpɹɔbɪt/
  • New-Zealand: /ˈpɹɒbət/
  • New-Zealand: [ˈpɹɔ̟bət]
  • rhymes with -ɒbɪt

1

noun

Meaning 1

A unit, derived from a standard normal distribution, used in measuring the responses to doses.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences, statistics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The probit function, the inverse of the standard normal cumulative distribution function.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Blend of probability + unit. Coined by American statistician Chester Ittner Bliss in 1934: “These arbitrary probability units have been termed ‘probits’...”