igneous rock
IPA: ˈɪgniʌsrˈɑk
noun
- (geology) one of the major groups of rock that makes up the crust of the Earth; formed by the cooling of molten rock, either below the surface (intrusive) or on the surface (extrusive)
Examples of "igneous-rock" in Sentences
- Maybe a code sheet, AGI data sheets, rock color chart, and igneous-rock classification cheat sheet more on rock classification here, here, here, and here, maybe some sun screen.