thermometer

Meanings

1. 1
   noun

   An instrument used to measure temperature.

   The nurse used a thermometer to check the child's temperature.

Appears in

Simplified etymology

Thermometer, recorded from the mid-17th century, contains an element derived from Greek thermos, “hot.” Thermos comes from the same ancient root as the Old English word warm.

Borrowed from French thermomètre; equivalent to thermo- + -meter.

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