noun
: a hygrometer for determining the dew point usually by measuring the temperature of a liquid being cooled in a highly polished silver vessel at the moment when drops of moisture condense on the outer wall of the vessel
noun
: a hygrometer for determining the dew point usually by measuring the temperature of a liquid being cooled in a highly polished silver vessel at the moment when drops of moisture condense on the outer wall of the vessel
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012