waterhole
Word Rarity
Very rare
Frequency: Zipf frequency 2.27 in modern English
15
Scrabble Score
9
Letters
3
Syllables
8
Unique Chars
Meaning
noun
A depression in which water collects, especially one where wild animals come to drink.
noun
A part of the electromagnetic spectrum, between the regions where hydrogen and hydroxyl radiate, that is relatively quiet in terms of radio astronomy.
Example Sentences
Etymology
* water + hole. * (astronomy): Coined by Bernard Oliver in 1971, in allusion to the idea that this part of the spectrum would be that used by extraterrestrial intelligence to communicate.