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Centigrade scale is used for Celsius temperature scale. We can understand the meaning of Centigrade by the meaning of centi means 100 and grad means division.
Celsius scale was invented by Swedish Astronomer Anders Celsius in 1742. Celsius scale has divided in 100 degrees between the initial point of freezing point (0°C) and the final point is boiling point (100°C) of pure water at sea level air pressure. The term "Celsius" was adopted by an international conference on weights and measuresin 1948.