1. Thickened or coalesced in soft thick lumps (such as clogs or clots)
   "clotted blood";
   - clogged

1. Change from a liquid to a thickened or solid state
   "clotted blood";
   - coagulate
    
2. Cause to change from a liquid to a solid or thickened state
   "The enzyme clotted the milk";
   - coagulate
    
3. Turn into curds
   "clotted milk";
   - curdle, clabber
    
4. Coalesce or unite in a mass
   "Blood clots";
   - clog

See also: thick

Type of: alter, change, change state, coalesce, modify, turn

Antonym: homogenise [Brit], homogenize

Encyclopedia: Clot