You searched for: “hygrostats”
humidistat, hygrostat (s) (noun); humidistats; hygrostats (pl)
A device used to indicate or to control the relative humidity in the air in a closed area: Jack decided to buy a humidistat or hygrostat, which he learned is an electronic instrument similar to a thermostat, but which reacts to moisture in the air, but not to the temperature.
This entry is located in the following units: humid-, humor- + (page 1) hygro-, hygr- + (page 1) stato-, stat-, sta-, -static, -stasi, staso-, -stasis, -stasia, -stacy, -stitute, -stitution, -sist (page 8)