See also gems; geology
a construction consisting of two or more upright stones with a third on top, regarded by archaeologists as an ancient tomb or monument.
a stone tool, as one used in the early Stone Age. —eolithic, adj.
the process of turning to stone. Also called petrifaction, petrification
the worship of rocks and stones. — lithoidolater, n. — lithoidolatrous, adj.
a form of divination involving rocks or stones.
a tool made of stone, usually about 12 inches long.
a stone of great size, as found in the monuments and constructions of ancient, particularly prehistoric, peoples. — megalithic, adj.
an upright, monumental stone, as a cromlech, standing by itself or in a group or circle with others.
a single large block of stone used in architecture or sculpture. —monolithic, adj.
a stone artifact from the Neolithic (Stone) Age.
a stonelike concretion in the inner ear of some vertebrates, as the whale.
a form of divination involving pebbles. Also called psephology
the study of drawings or carvings made on rocks by a member of a prehistoric or primitive people. Also called petrography. —petroglyph, n. —petroglyphic, adj.
the quality or condition of being sandy or gritty, as a stone. —sab-ulous, adj.