1. the process of freezing or becoming frozen; the state of being frozen
Usage: formal; technical
2. masses or formations created by freezing
Usage: formal

Examples

• The congelations on the window created beautiful frost patterns.
• Scientists studied the congelations that formed in the laboratory freezer.
• Winter brought thick congelations to the lake’s surface.
• The rapid congelations occurred when temperatures dropped suddenly.
• Ice caves contain spectacular congelations that have formed over centuries.
• The congelations in the pipes caused them to burst.