noun
: an instrument for measuring rates of collection of atmospheric water and ice by means of a porous plug through which the moisture is drawn and then measured to give an indication of liquid water content
noun
: an instrument for measuring rates of collection of atmospheric water and ice by means of a porous plug through which the moisture is drawn and then measured to give an indication of liquid water content
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012