"We examined the glacial deposits.; Wang Shijin is a glacier expert and director of the Yulong Snow Mountain Glacial and Environmental Observation Research Station. "
2.AdjectiveVery slow.
3.AdjectiveCold and icy.
"After the rain and frost, the pavements were glacial."
4.AdjectiveHaving the appearance of ice.
"On cold days, glacial acetic acid will freeze in the bottle."
5.AdjectiveCool and unfriendly.
"He gave me a glacial stare."
6.NounA glacial period (colloquially known as an ice age).