[Agent-sb. in Latin form, f. coagulāre: see -OR.] That which coagulates.
1605. Timme, Quersit., III. 157. Sal-armoniac [is] a coagulator and a dissoluer.
1732. Arbuthnot, Rules of Diet, 265. Coagulators of the Humours.
1872. Huxley, Physiol., iii. 69. Globulin, added to serous effusion, is a coagulator of that effusion, giving rise to the development of fibrin in it.