Last modified on 31 May 2014, at 21:42




icosaedrum (plural icosaedrums)

  1. Obsolete form of icosahedron.
    • 1662, Henry More, An Antidote Against Atheism, Book II, A Collection of Several Philosophical Writings of Dr. Henry More, p. 54:
      "... for example, a rightly-cut Tetraedrum, Cube or Icosaedrum have no more pulchritude in them, then any rude broken stone lying in the field or high-ways ..."