from The Century Dictionary.
- noun The property of being oval; oval shape or formation.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun The quality of being
from Wiktionary, Creative Commons Attribution/Share-Alike License
oval + -ness
He showed, in 1787, that it was due to a very slow change in the ovalness of the earth's orbit, tending, during the present age of the world, to render it more nearly circular.