ˌfīd.ōnəˈdīˌōn noun
( -s )
Etymology: phyto- (from phytyl ) + na- (from napthoquinone ) + -dione
: vitamin K 1a — used in the United States Pharmacopoeia
ˌfīd.ōnəˈdīˌōn noun
( -s )
Etymology: phyto- (from phytyl ) + na- (from napthoquinone ) + -dione
: vitamin K 1a — used in the United States Pharmacopoeia
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012