GRAPTOLITE


Meaning of GRAPTOLITE in English

[ 'graptəlʌɪt ]

■ noun a fossil planktonic invertebrate animal, believed to be related to the pterobranchs.

Origin

C19: from Gk graptos 'marked with letters' + -lite : so named because impressions left on hard shales resemble slate pencil marks.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.