nullity
n.— «But Dr Anderson has come up with a theory that proposes a new number—‘nullity’—which sits outside the conventional number line (stretching from negative infinity, through zero, to positive infinity).» —“1200-year-old problem ‘easy’” BBC Dec. 8, 2006. (source: Double-Tongued Dictionary)
Further reading
In the 15th century, the word respair meant “to have hope again.” Although this word fell out of use, it’s among dozens collected in a new book of soothing vocabulary for troubled times. Plus, baseball slang: If a batter...
Have you ever googled your own name and found someone else who goes by the very same moniker? There’s a word for that: googleganger. Plus, the language of hobbyists and enthusiasts: If you’re a beekeeper, perhaps you call yourself a...