Top Definition
An elementary particle similar to an electron, except that it has a positive charge instead of a negative charge. It is an antiparticle, which is a particle that forms antimatter.
When a positron comes into contact with an electron, they annihilate each other, releasing energy.
Look, I got a jar of positrons! I think I'll open it.

No, you fool!!

(KABLOOOMM!!!!)
作者 bob882 2004年7月06日
1 more definition
Being completely sure. Positive.
Did you hide the bong?

Yea dude, in the garage.

Are you absolutely Positron?
作者 Sir.neilium 2008年2月04日

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