Webster's Revised Unabridged Dictionary · 1913

Regelation

Regelation (-l?"sh?n) , noun

[Prefix re- + Latin gelatio a freezing.]

(Physics) The act or process of freezing anew, or together,as two pieces of ice.

Two pieces of ice at (or even) 32{not transcribed} Fahrenheit, with moist surfaces, placed in contact, freeze together to a rigid mass. This is called regelation.