Also found in: Medical.
A concentrated alcohol solution of a drug of such strength that each milliliter contains the equivalent of one gram of the dry form of the drug.
(Pharmacology) an alcoholic solution of a vegetable drug, one millilitre of which has an activity equivalent to one gram of the powdered drug
flu•id•ex•tract(ˈflu ɪdˈɛk strækt)
a liquid preparation of a drug containing in each cubic centimeter the medicinal activity of one gram of the powdered drug.