Pronunciation: ˌ re-t ə - ' n ō -ik-
Function: noun
Date: 1960
: either of two isomers of an acid C 20 H 28 O 2 derived from vitamin A and used in the treatment of acne: a : TRETINOIN b : ISOTRETINOIN
Pronunciation: ˌ re-t ə - ' n ō -ik-
Function: noun
Date: 1960
: either of two isomers of an acid C 20 H 28 O 2 derived from vitamin A and used in the treatment of acne: a : TRETINOIN b : ISOTRETINOIN
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012