[pan.to.then.ic acid] n [Gk pantothen from all sides, fr. pant-, pas all--more at pan-] (1933): a viscous oily acid of the vitamin B complex found in all living tissues
PANTOTHENIC ACID
Meaning of PANTOTHENIC ACID in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012