1) Refrigeration 
• (n.) The act or process of changing into ice, or the state of being converted to ice; a freezing; congelation; also, a frost.
Con·gla`ci·a'tion noun [ Confer French conglaciation .] The act or process of changing into ice, or the state of being converted to ice; a freezing; congelation; also, a frost. Bacon. 
conglaciation 1. The act or process of changing into ice, or the state of being converted to ice. 2. A freezing; a congelation; also, a frost.