RUDACEOUS


Meaning of RUDACEOUS in English

[ rʊ'deɪʃəs ]

■ adjective Geology (of rock) composed of fragments of relatively large size (larger than sand grains).

Origin

early 20th cent.: from L. rudus 'rubble' + -aceous .

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.