n.
Pronunciation: ' ak-s ē -( ˌ )än
Function: noun
Etymology: axi al + 2 -on
Date: 1978
: a hypothetical subatomic particle of low mass and energy that is postulated to exist because of certain properties of the strong force
n.
Pronunciation: ' ak-s ē -( ˌ )än
Function: noun
Etymology: axi al + 2 -on
Date: 1978
: a hypothetical subatomic particle of low mass and energy that is postulated to exist because of certain properties of the strong force
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012