prompt neutron
Word Rarity
Rare
Frequency: Zipf frequency 3.30 in modern English
19
Scrabble Score
13
Letters
3
Syllables
8
Unique Chars
Meaning
noun
A neutron produced immediately by the fission of an atomic nucleus, instead of being emitted by decaying fission products seconds to minutes later; over 99% of all fission neutrons are prompt neutrons (the exact portion depends on the nuclide undergoing fission).