upsweep
Word Rarity
Very rare
Frequency: Zipf frequency 0.00 in modern English
14
Scrabble Score
7
Letters
2
Syllables
5
Unique Chars
Meaning
noun
The unidentified sound detected on the American NOAA's equatorial autonomous hydrophone arrays, consisting of a long train of narrow-band upsweeping sounds of several seconds in duration.
Etymology
From up- + sweep.