What does "hygrodeik" mean?

A form of hygrometer having wet and dry bulb thermometers, with an adjustable index showing the percentage of moisture in the air, etc.

What is a synonym for "hygrodeik"?

Common synonyms include: humidor, hygrometer.

noun

noun ·Rare ·Advanced level

Noun

1
A form of hygrometer having wet and dry bulb thermometers, with an adjustable index showing the percentage of moisture in the air, etc. archaic, historical
2
a wet and dry bulb hygrometer wordnet

From hygro- + Ancient Greek δείκνυμι (deíknumi, “point out”).