1. to change from a liquid to a solid state, especially by cooling
2. to become thick or clotted

Examples

• The bacon grease began to congeal as it cooled in the pan.
• Blood will congeal when exposed to air.
• The soup started to congeal after sitting out for an hour.
• Cold temperatures caused the oil to congeal into a thick paste.
• The melted chocolate will congeal once it reaches room temperature.
• The gravy congealed into an unappetizing mass.