igneous
adjective /ˈɪɡniəs/
/ˈɪɡniəs/
(geology- (of rocks
) formed when magma (= melted or liquid material lying below the earth’s surface) becomes solid, especially after it has poured out of a volcano岩石 火成的(尤指火山喷出的) Collocations DictionaryIgneous is used with these nouns:- rock
词源mid 17th cent.: from Latin igneus (from ignis ‘fire’) + -ous.