con·geal 
/kənˈʤi:l/ verb
con·geals; con·gealed; con·geal·ing /kənˈʤi:l/ verb [no obj] of a liquid : to become thick or solid
▪ The gravy began to congeal in the pan. — often used figuratively ▪ His anger congealed into bitterness.
▪ The gravy began to congeal in the pan. — often used figuratively ▪ His anger congealed into bitterness.
— congealed adjective
▪ congealed fat/blood
▪ congealed fat/blood
