JND
n.— «Many people can detect a change of only one dB, which in engineering parlance goes by an interestingly non-jargon, non-technical term called the JND, or Just Noticeable Difference.» —“Home Sense” by Mike McClintock Washington Post July 8, 2004. (source: Double-Tongued Dictionary)
Further reading
The word filibuster has a long and colorful history, going back to the days when pirates roamed the high seas. Today it refers to hijacking a piece of legislation. Plus, the language of yoga teachers: When doing a guided meditation, you may hear...
Understanding the varieties of conversational styles can mean the difference between feeling you’re understood and being insulted. “High-involvement” speakers interrupt or talk along with someone else to signal their enthusiasm...