ANTIPROTON
Meaning of ANTIPROTON in English
ˈ ̷ ̷(ˌ) ̷ ̷|- noun
( -s )
Etymology: anti- (I) + proton
: a particle equal in mass but opposite in electrical charge to a proton
Webster's New International English Dictionary.
Новый международный словарь английского языка Webster.
2012