coagulate

Etymology 1

Borrowed from Latin coāgulō, coāgulātus, from coāgulum (“a means of curdling, rennet”), from cōgō (“bring together, gather, collect”), from co- (“together”) + agō (“do, make, drive”). Doublet of quail. Displaced native Middle English irennen, from Old English ġerinnan, but not native curdle.

verb

1. (intransitive) To become congealed; to convert from a liquid to a semisolid mass.
   In cheese making, milk coagulates into curds that become cheese.
2. (transitive) To cause to congeal.
   Rennet coagulates milk; heat coagulates the white of an egg.

adj

1. (obsolete) Coagulated.
   '

Etymology 2

noun

1. A mass formed by means of coagulation.