Meaning & use
thermometer
An instrument used to measure and display the temperature of a body, substance, or environment.
See it in a sentence
She placed the thermometer under her tongue to check for a fever.
The outdoor thermometer on the porch read well below freezing this morning before dawn.
A note on using this word
Digital thermometers now largely replace the mercury-filled glass ones once common in homes and clinics.
Words with a similar meaning
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