Psychrometer

sī-krom′e-tėr, n. an instrument for measuring the tension of aqueous vapour in the atmosphere: a wet and dry bulb hygrometer.— adjs. Psychromet′ric , -al .— ns. Psychrom′etry ; Psychrophō′bia , morbid impre ibility to cold; Psy′chrophore , a refrigerating instrument like a catheter for cooling the urethra. [Gr. psychros , cold, psyche in , to blow, metron , a measure.]