(intransitive, colloquial) To grow or increase sharply.

A radio programming format that includes hard rock music from the mid-1960s through 1980 or later.

(music, uncountable) A genre of music combining elements of country music and rock music. / (geology, countable) The rock which is native to a certain area.

A magazine holding rockets.

plural of rocket pod

Alternative spelling of rock hard

A red dyestuff, the sodium salt of a complex azo derivative of naphtol.

A form of igneous rock that tends to form polygonal vertical fractures.

plural of roche moutonnée

(geography, glaciology) A rock formation created by glacial erosion.