Mensuration

Part of speech: noun (n.)

1. The act, process, or art, of measuring.

2. That branch of applied geometry which gives rules for finding the length of lines, the areas of surfaces, or the volumes of solids, from certain simple data of lines and angles.

3. A suffix denoting that which does a thing; an act or process; the result of an act or process; state or condition; as, aliment, that which nourishes, ornament, increment; fragment, piece broken, segment; abridgment, act of abridging, imprisonment, movement, adjournment; amazement, state of being amazed, astonishment.