| 释义 |
Keewatin
Keewatin (kiːˈweɪtɪn) n (Placename) a former administrative district of the Northwest Territories of Canada stretching from the district of Mackenzie to Hudson Bay; became part of Nunavut in 1999: mostly tundraKee•wa•tin (kiˈweɪt n) n. a district in the Northwest Territories, in N Canada. 228,160 sq. mi. (590,935 sq. km). Keewatin
Keewatin: see PrecambrianPrecambrian, name of a major division of geologic time (see Geologic Timescale, table), from c.5 billion to 570 million years ago. It is now usually divided into the Archean and Proterozoic eons. Precambrian time includes 80% of the earth's history. ..... Click the link for more information. .Keewatin[kē¦wät·ən] (geology) A division of the Archeozoic rocks of the Canadian Shield. Keewatin a former administrative district of the Northwest Territories of Canada stretching from the district of Mackenzie to Hudson Bay; became part of Nunavut in 1999: mostly tundra. ThesaurusSeePrecambrian |