hapax

listen to the pronunciation of hapax
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Английский Язык - Английский Язык
Abbreviation of hapax legomenon

There are 19000-odd words in his gospel, and 971 of these are hapaxes: there are 18000-odd words in Acts, and 943 are hapaxes.

informal, abbreviation of hapax legomenon
Французский Язык - Английский Язык
{n} hapax; hapax legomenon, word that appears only once in a document or official paper