PELITE Meaning of PELITE in English [ 'pi:lʌɪt ]■ noun Geology a sediment or sedimentary rock composed of very fine clay or mud particles.OriginC19: from Gk pēlos 'clay, mud' + -ite 1 . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004