positronium
/ˌpɒzɪˈtrəʊnɪəm/Physics
noun
A short-lived neutral system, analogous to an atom, consisting of a positron and a negative electron bound together.
Origin
1940s; earliest use found in Arthur Edward Ruark (b. 1899). From positron + -ium.
- (from) hand to mouth
- from head to toe (or foot)
- from hence
- from hero to zero
- fromm
- from memory
- Fromm, Erich
- from nature
- from now (or then etc.) on
- from on high
- from (or out of) nowhere
- from overseas
- from pillar to post
- (from) rags to riches
- from scratch
- from side to side
- unredacted
- unrede
- unredeemable
- unredeemed
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- unredeeming
- unredressable
- unredressed
- unreduceable