¦ ̷ ̷ ˈ ̷ ̷ ̷ ̷ - noun
: a dimensionless constant that is a measure of the strength of electromagnetic interactions of subatomic particles and that has an approximate value of 0.0073 or 1/137 — symbol α
¦ ̷ ̷ ˈ ̷ ̷ ̷ ̷ - noun
: a dimensionless constant that is a measure of the strength of electromagnetic interactions of subatomic particles and that has an approximate value of 0.0073 or 1/137 — symbol α
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012