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pion

 

Definitions from WordNet

Noun pion has 1 sense
  1. pion, pi-meson - a meson involved in holding the nucleus together; produced as the result of high-energy particle collision
    --1 is a kind of meson, mesotron

Definitions from the Web

Pion

Noun:

1. A subatomic particle that is a meson and is either positive or negative in charge, depending on the type.

Example sentence: The pion is an unstable particle that decays into a muon and a neutrino.

Noun:

2. Any of various North American perennial herbs of the genus Pion, having large, solitary, showy flowers with numerous stamens and a usually yellow to reddish-brown drooping fruit.

Example sentence: The pion flowers in my garden are attracting many butterflies.

Noun:

3. A local term used in the Southwestern United States to refer to a wild or untamed horse.

Example sentence: The cowboys were skilled at taming pions and turning them into working horses.

Noun:

4. (Local usage) A dialect variation of the word "pine" commonly used in certain regions to refer to a pine tree.

Example sentence: The pions in the forest provide shade during hot summer days.

Adjective:

5. (Popular usage) Being very highly regarded or admired, especially among a specific group of people.

Example sentence: The latest music release by the rapper became pion among hip-hop fans.

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