"substance that produces coagulation," 1770, from Latin coagulantem (nominative coagulans), present participle of coagulare "cause to curdle" (see coagulate).
Entries linking to coagulant
coagulate v.
early 15c., "to clot, congeal, become curdled, change from a liquid into a thickened mass; to make to clot," from Latin coagulatus, past participle of coagulare "to cause to curdle," from cogere "to curdle, collect" (see cogent). The earlier verb was coagule, c. 1400, from Old French coaguler and directly from Latin. Related: Coagulated; coagulating.
anticoagulant adj.
"that prevents or retards coagulation," 1886, from anti- + coagulant. As a noun by 1896.