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part of speech:	noun
definition:	an instrument for measuring temperature, esp. a sealed glass tube with a calibrated scale on the outside and a column of liquid, usu. mercury, inside that rises or falls as the temperature changes.
derivations:	thermometric (adj.), thermometrical (adj.), thermometrically (adv.)

Word History

Thermometer comes from two ancient Greek words that mean "heat" and "measure."

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