verb, -lat⋅ed, -lat⋅ing, adjective | 1. | to change from a fluid into a thickened mass; curdle; congeal: Let the pudding stand two hours until it coagulates. |
| 2. | Biology. (of blood) to form a clot. |
| 3. | Physical Chemistry. (of colloidal particles) to flocculate or cause to flocculate by adding an electrolyte to an electrostatic colloid. |
| 4. | Obsolete. coagulated. |

, co⋅ag⋅u⋅la⋅tive [koh-ag-yuh-ley-tiv, -luh-tiv]
, adjective coagulate co·ag·u·late (kō-āg'yə-lāt')
v. co·ag·u·lat·ed, co·ag·u·lat·ing, co·ag·u·lates
To change from the liquid state to a solid or gel; clot.
coagulative co·ag·u·la·tive (kō-āg'yə-lā'tĭv, -lə-tĭv)
adj.
Of or being a coagulant.