hygrometer
Hygrometer (noun) means an instrument that measures how much moisture is in the air or another gas. Example: “The hygrometer showed that the room was too damp.”
How to use hygrometer
Learner’s notesIn plain EnglishA gadget that tells you how humid the air is.
It is a fairly technical word used in meteorology and everyday home monitoring.
The hygro- part relates to moisture, which is the difference from hydro-, which relates to water.
Trace the full origin ↓Fill the gap
Can you complete this real example?
The _____ showed that the room was too damp.
Etymology
The word comes from French hygromètre, which was formed from hygro- and -meter.