copulant noun 3adjective 1forms 1 noun3 •Something that brings other things together into a unified whole.It is well known from chemistry that a fatty or oily element will not of itself unite with a watery, but must be united by means of saline copulants. — 1912 •One engaged in sexual union.Those which produce copulable copulants in one individual are designated as monoecious, while those in which copulable copulants must come from different individuals are considered dioecious. — 1929 •A sign that represents the joining or unity of other signs.The copulants are likewise indispensable and have the property of being Continuant. — 1974 adjective1 •Signifying combination, identity or union.Copulant signs are, quite clearly, those signs whose immediate object is a continuous predicate. — 2017 formscopulants