Word: pion
Part of speech: Noun
Syllables: pi
on
Definition: Any of three semistable mesons, having positive, negative or neutral charge, composed of up and down quarks/antiquarks. 0, a neutral form with a mass 264 times that of an electron, or π+ or π;, a charged form with a mass 273 times that of an electron.
Morphemes:
Affix: pi
Language: en
PoS: Noun
Meaning: An irrational and transcendental constant representing the ratio of the circumference of a Euclidean circle to its diameter; approximately 3.14159265358979323846264338327950; usually written π.
Affix: -on
Language: en
PoS: Suffix
Meaning: Forming nouns denoting subatomic particles quanta molecular units or substances .