Definitions

1. noun

the process of forming or growing ice, or the formation of ice in a particular area

“The scientists studied the effects of glaciation on the local ecosystem.”

2. noun

a period of time during which the climate was colder and ice formed in a particular area

“The glaciation of North America occurred during the last ice age.”

3. verb

to form or become ice

“The water began to glaciate as the temperature dropped below freezing.”