Pion

[paiɔn]

Definition

(noun.) a meson involved in holding the nucleus together; produced as the result of high-energy particle collision.

Typed by Ferris--From WordNet

Definition

(n.) The edible seed of several species of pine; also, the tree producing such seeds, as Pinus Pinea of Southern Europe, and P. Parryana, cembroides, edulis, and monophylla, the nut pines of Western North America.

(n.) See Monkey's puzzle.

Checked by Dylan