prompt critical
Word Rarity
Rare
Frequency: Zipf frequency 3.82 in modern English
24
Scrabble Score
14
Letters
5
Syllables
9
Unique Chars
Meaning
adj
In a state where the prompt neutrons produced by a nuclear fission chain reaction are just sufficient to sustain the chain reaction on their own (past which changes in reaction power occur on a timeframe of milliseconds, too rapidly for a human operator to control).