Whatness

Origin

what + -ness

Full definition of whatness

Noun

1. (philosophy) Essence; quiddity.
2. Quality; quantity.
• 1961, Thomas Aquinas, Commentary on the Metaphysics of Aristotle: Volume 2:For in one sense whatness signifies substance and this particular thing, and in another sense it signifies each of the other categories, such as quantity, quality and the like.