Hygrometer
/ hy-GROM-uh-ter /
Storage & AgingEnglish
Definition
An instrument that measures relative humidity. Digital units are generally more accurate than the analog spring-and-needle type, but every hygrometer drifts and needs periodic checking.
Why it matters
Every storage decision rests on the number this device reports, so an uncalibrated hygrometer quietly corrupts everything downstream.
In context
"Both hygrometers agreed, which was reassuring until he calibrated them."
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