sling psychrometer
Noun
Meaning
sling psychrometer (plural sling psychrometers)
a form of wet-and-dry-bulb hygrometer in which the pair of thermometers are attached to a cord and spun round in the air
Noun
sling psychrometer (plural sling psychrometers)
a form of wet-and-dry-bulb hygrometer in which the pair of thermometers are attached to a cord and spun round in the air