hygrodeik 图示湿度计
hygrodeik[ noun ]
a wet and dry bulb hygrometer
<noun.artifact>
Hygrodeik \Hy"gro*deik\, n. [Gr. ? wet, moist, and ? to show.]
(Physics)
A form of hygrometer having wet and dry bulb thermometers,
with an adjustable index showing directly the percentage of
moisture in the air, etc.