ax·i·on 
(ăksē-ŏn′)
(ăksē-ŏn′)n.
A hypothetical boson having no charge or spin and small mass, proposed to explain the existence of certain symmetries of the strong nuclear force.
[AXI(AL) + -ON1.]
- shoot from the hip
- shooting gallery
- shooting iron
- shooting script
- shooting star
- shooting stick
- shoot in the foot
- shoot off face
- shoot off mouth
- shoot off one's face
- shoot off one's mouth
- shoot off (one's) mouth/face
- shoot (one's) bolt
- shoot one's bolt
- shoot (oneself) in the foot
- shoot oneself in the foot
- shoot (one's) wad
- shoot one's wad
- shootout
- shoot-out
- shoot straight
- shoot the breeze
- shoot the breeze/bull
- shoot the bull
- shoot-the-chute