[ 'sɛlsɪəs ]
■ adjective [ postposition when used with a numeral] of or denoting a scale of temperature on which water freezes at 0° and boils at 100°.
Origin
from the name of the Swedish astronomer Anders ~ (1701–44).
Usage
~ rather than centigrade is the standard accepted term when giving temperatures: use 25° ~ rather than 25° centigrade .