from The American Heritage® Dictionary of the English Language, 4th Edition
- suffix State; quality: abnormality.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- suffix Used to form a noun from an adjective; especially, to form the noun referring to the state, property, or quality of conforming to the adjective's description.
- suffix Used to form other nouns, especially abstract nouns.
Nine years later a couple of mathematicians used an equally logical extension of normal, preferring -cy to -ity.
When mocked by users of -ity, the president told his critics to look it up in the dictionary—and there it was, in Merriam-Webster’s.