NUMMULITE Meaning of NUMMULITE in English [ 'nʌmjʊlʌɪt ]■ noun Palaeontology the fossilized disc-shaped calcareous shell of a foraminifer.OriginC19: from L. nummulus (dimin. of nummus 'coin') + -ite 1 . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004