人じん造ぞう石せき

noun

artificial stone; fake rock

Refers to man-made stone materials used in construction, decoration, or landscaping. Contrasts with 自然石 (natural stone).

See also: 自然石

• この庭てい園えんの岩いわは人じん造ぞう石せきでできている。

  The rocks in this garden are made of artificial stone.