JND
n.— «With this method, the “just-noticeable-difference,” (jnd) can be calculated.» —“Re: tone deafness?” by harnad@mind.UUCP (Stevan Harnad) Usenet: sci.med Nov. 12, 1986. (source: Double-Tongued Dictionary)
Further reading
A ballicater is a jagged wall of ice that forms on a frigid shore when pans of ice catch on rocks and slush freezes over them. A Canadian woman who grew up in Newfoundland says she’s warned never to go near one. Ballicater, spelled several ways...
The Merriam-Webster.com dictionary now includes an entry for TL;DR, also rendered as TLDR. It’s a speedy way of dismissing overlong text or introducing a shortened version of something. This useful locution also inspired AI;DR, short for AI;didn’t...