glaciation

Definition

The process of covering with a glacier, or the state of being glaciated; the production of glacial phenomena; an ice age

Etymology

From French glaciation, from glace (“ice”).

Example Sentences

• "That the habitability of our planet was severely endangered by the significant rise in oxygen levels and reduction in methane due to oxygen-producing bacteria combined with the low luminosity of the Sun in the Proterozoic era (2500– 542 million years ago) is suggested by geological evidence for severe global glaciations in this epoch."
• "This simulation aims at describing the hydrological conditions at a Swedish deep repository of nuclear waste during a glaciation."
• "Deposits of the Caribou Hills glaciation only locally retain a distinct hummocky morainal form, with filled kettle depressions and subdued knobs. Along the mountain fronts the marginal deposits of this glaciation reach an average altitude of slightly more than 3,000 feet."