[num.mu.lit.ic limestone] n [NL Nummulites, genus of foraminifers, fr. L nummulus] (1833): the most widely distributed and distinctive formation of the Eocene in Europe, Asia, and northern Africa
NUMMULITIC LIMESTONE
Meaning of NUMMULITIC LIMESTONE in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012