psychrometer vs wet-bulb thermometer

psychrometer and wet-bulb thermometer both are nouns.

Word	Noun	Adjective	Verb	Adverb
psychrometer	Yes	No	No	No
wet-bulb thermometer	Yes	No	No	No

psychrometer (noun)	wet-bulb thermometer (noun)
a hygrometer consisting of a dry-bulb thermometer and a wet-bulb thermometer; their difference indicates the dryness of the surrounding air	a thermometer with a bulb that is covered with moist muslin; used in a psychrometer to measure humidity