apertive adjective 3noun 1forms 3 adjective3 •Causing the body to open; dissolving blockages or having a purgative or diuretic effect.Both its root and seeds are hydragogeous, and very apertive, and therefuore usefull in hydroptical and watry diseases. — 1657 •Pertaining to or using an aperture; apertural.Seasat was launched in June 1978 and carries a synthetic apertive radar. — 1980 •Tending to open.Prefractures are weak or apertive when the prefixed vowel has a greater closure formed by the tongue or lips than the original vowel, so that the result is a progressive opening. — 1969 noun1 •A substance that can be used medicinally for its apertive effect.Gentian has been used for centuries as a tonic to aid digestion; and it is currently employed in the manufacture of apertives and bitters, notably Gentiane, a Swiss digestive liquor. — 1979 formsapertives · more apertive · most apertive