thermometer

noun
ther·​mom·​e·​ter | \ thər-ˈmä-mə-tər How to pronounce thermometer (audio) , thə-ˈmä-mə-tər\

Definition of thermometer

: an instrument for determining temperature especially : one consisting of a glass bulb attached to a fine tube of glass with a numbered scale and containing a liquid (such as mercury or colored alcohol) that is sealed in and rises and falls with changes of temperature

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Other Words from thermometer

thermometric \ ˌthər-​mə-​ˈme-​trik How to pronounce thermometric (audio) \ adjective
thermometrically \ ˌthər-​mə-​ˈme-​tri-​k(ə-​)lē How to pronounce thermometrically (audio) \ adverb

Examples of thermometer in a Sentence

Recent Examples on the Web

Eventually, mercury barometers became the more favorable way of determining changes in weather and storm glass became sort of irrelevant as mercury thermometers took over. Elizabeth Gulino, House Beautiful, "This Storm Glass From Amazon Can Predict When The Weather Is About to Get Wild," 27 Aug. 2019 Then thermometers will start to rise, the National Weather Service says. oregonlive.com, "Weekend weather will be mild in Portland compared to next week’s heat wave," 24 Aug. 2019 On July 25, thermometers in Cambridge, England, soared to 101.7 degrees — an all-time record for the United Kingdom. Eugene Robinson, The Mercury News, "Robinson: Trump better know how to swim — sea-level rise may claim Mar-a-Lago," 18 Aug. 2019 When the thermometer hit 90 at about 11:10 a.m., Hartford also got its fourth heat wave of the year — all of which were this month, said Alan Dunham, a meteorologist with the National Weather Service. Christine Dempsey, courant.com, "July on track to become hottest on record with another Hartford heat wave," 31 July 2019 The thermometer hit 109 degrees on June 27, 1980, against the Twins and Aug. 26, 1988, against the Blue Jays. Tim Bannon, chicagotribune.com, "With extreme heat forecast for Wrigley Field this weekend, here’s how the Cubs will keep fans cool," 19 July 2019 But on the deck of the four-engine ship, the thermometer hits 120 degrees. Loveday Morris, Washington Post, "Aboard a U.S. patrol ship in the Persian Gulf, where tensions are spiking," 10 July 2019 Though the 82 degrees reached on June 29 ranks as last month's high, previously topped on June 14, 1969, when the thermometer hit a record 85 degrees. Susan Scutti, CNN, "Alaskan heat wave could rise to record levels for Independence Day," 4 July 2019 To ensure that your refrigerator keeps a constant temperature and does not go below the freezing point at any time, keep a thermometer in the fridge to check for a stable temperature of 39 F (or 4 C). Elena Toschi, sun-sentinel.com, "Safe and effective use of insulin requires proper storage," 1 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thermometer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of thermometer

1633, in the meaning defined above

History and Etymology for thermometer

French thermomètre, from Greek thermē heat + French -o- + -mètre -meter — more at therm

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Statistics for thermometer

Last Updated

4 Sep 2019

Look-up Popularity

Time Traveler for thermometer

The first known use of thermometer was in 1633

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More Definitions for thermometer

thermometer

noun

English Language Learners Definition of thermometer

: an instrument used for measuring temperature

thermometer

noun
ther·​mom·​e·​ter | \ thər-ˈmä-mə-tər How to pronounce thermometer (audio) , thə-ˈmä-\

Kids Definition of thermometer

: an instrument for measuring temperature

thermometer

noun
ther·​mom·​e·​ter | \ thə(r)-ˈmäm-ət-ər How to pronounce thermometer (audio) \

Medical Definition of thermometer

: an instrument for determining temperature that usually consists either of a device providing a digital readout or of a glass bulb attached to a fine tube of glass with a numbered scale and containing a liquid (as mercury or colored alcohol) that is sealed in and rises and falls with changes of temperature

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More from Merriam-Webster on thermometer

Rhyming Dictionary: Words that rhyme with thermometer

Spanish Central: Translation of thermometer

Nglish: Translation of thermometer for Spanish Speakers

Britannica English: Translation of thermometer for Arabic Speakers

Britannica.com: Encyclopedia article about thermometer

Comments on thermometer

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