antinucleon
noun
an·ti·nu·cle·on 
ˌan-tē-ˈn(y)ü-klē-ˌän,
ˌan-ˌtī- : the antiparticle of a nucleon
Word History
First Known Use
1945, in the meaning defined above
- in the belief that
- in the best light
- in the black
- in the blink of an eye
- in the bud
- in the buff
- in the business of
- in the bygoing
- in the can
- in the cards
- in the care of
- in the catbird seat
- in the chips
- in the clear
- in the clouds
- in the clover
- in the club
- in the clutch
- in the cold light of day
- in the comfort of one's own home
- in the company of
- in the control of
- in the course of time
- in the crosshairs
- in the cup of someone's hand