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Definition of thermometer

thermometer

/θɚˈmɑːmɪtɚ/
ther · mom · e · ter
Adverb:thermometrically
•
Plural:thermometers
•
Adjective:thermometric
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thermometer Lexical Profile

thermometer Game Scores & Validity

• noun

1

An instrument for measuring and indicating temperature, typically consisting of a glass tube containing a liquid that expands with heat, or a digital sensor that provides an electronic reading.

Example

"The nurse used a digital thermometer to accurately record the patient's body temperature during the clinical trial."

2

Something that serves to indicate, measure, or reflect the state or fluctuations of a particular situation or condition.

Example

"Consumer spending is often viewed as a reliable thermometer of the nation's broader economic health."

Synonyms
View all synonyms for thermometer

• Rhymes for thermometer

• Nearby Words

thermals
thermocouple
thermodynamics
thermometer
thermonuclear
thermopsis
thermos

Word Origin & Etymology

Coined in the 1620s, from the French word 'thermomètre', derived from the Greek 'thermos' (hot) and 'metron' (measure).

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Thermometer. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/thermometer
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