AVENIN Meaning of AVENIN in English əˈvēnə̇n, ˈavən- nounor ave·nine -ˌnēn( -s )Etymology: International Scientific Vocabulary aven- (from Latin avena oats) + -in, -ine : the glutelin of oats Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012