pion

1. 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. Source: opted

2. n. See Monkey's puzzle. Source: opted

3. n. a meson involved in holding the nucleus together; produced as the result of high-energy particle collision Source: wordnet

4. (a) 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. (b) See Monkey's puzzle. [Written also pignon.] Source: webster

5. n:100 n. a meson involved in holding the nucleus together; produced as the result of high-energy particle collision Source: ecdict

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