(geology, of a rock) Made by the deposition and compression of small particles.

A rock of this kind.

plural of sedimentary

(geology) One of the major groups of rock that makes up the crust of the Earth; formed by the deposition of either the weathered remains of other rocks, the results of biological activity, or precipitation from solution.

plural of sedimentary rock

Alternative form of biosedimentary

(geology) A geologic structure, a basin (“bowl, depression, hole”) in harder rock that is filled-in with sediments.