photoneutron
noun
pho·to·neutron
"+
: a neutron released as a result of photodisintegration
Word History
Etymology
phot- + neutron
- keep one's nose clean
- keep one's nose out of
- keep one's nose to the grindstone
- keep one's options open
- keep one's pecker up
- keep one's powder dry
- keep one's promise
- keep one's side of the bargain
- keep one's silence
- keep one's temper
- keep one's trap shut
- keep one's voice down
- keep one's word
- keep oneself to oneself
- keep out
- keep out of
- keep out of someone's way
- keep out of the way
- keep out of trouble
- keep pace
- keep pace with
- keep posted
- keep purdah
- keep quiet
- keep quiet about