珪けい質しつ海かい綿めん

noun

siliceous sponge

Technical term in biology for sponges with siliceous spicules, i.e., all sponges except those of class Calcarea.

• 珪けい質しつ海かい綿めんは、石せっ灰かい海かい綿めん類るいを除のぞく海かい綿めん動どう物ぶつの総そう称しょうとして使つかわれる。

  Siliceous sponge is used as a general term for sponges other than those of the class Calcarea.