shock diamond
Word Rarity
Uncommon
Frequency: Zipf frequency 4.14 in modern English
25
Scrabble Score
12
Letters
5
Syllables
10
Unique Chars
Meaning
noun
Any of the diamond-shaped wave patterns that appear in the supersonic exhaust plume of an aerospace propulsion system, such as a supersonic jet engine or rocket, when it is operated in an atmosphere.