[ '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.
[ '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. 2004