tetraedrum

English

Noun

tetraedrum (plural tetraedra)

  1. Obsolete form of tetrahedron.
    • 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 ..."
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