ˈterə̇n noun
( -s )
Etymology: International Scientific Vocabulary pter- + -in; originally formed in German; from its being a factor in the pigments of butterfly wings
: a compound containing the pteridine ring system
ˈterə̇n noun
( -s )
Etymology: International Scientific Vocabulary pter- + -in; originally formed in German; from its being a factor in the pigments of butterfly wings
: a compound containing the pteridine ring system
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012