thermometer

noun
ther·​mom·​e·​ter | \ thər-ˈmä-mə-tər, 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 \ adjective
thermometrically \ ˌthər-​mə-​ˈme-​tri-​k(ə-​)lē \ adverb

Examples of thermometer in a Sentence

Recent Examples on the Web

Zierden said another way to consider summer heat is the number of days the thermometer hits 100. Kevin Spear, OrlandoSentinel.com, "Orlando could sizzle this week with hottest weather of the year," 11 July 2018 In some areas, when the thermometer hits 95 degrees, the heat index will reach 104 degrees, forecasters said. John R. Ellement, BostonGlobe.com, "Heat wave breaks along the coast, but inland it’s a different story," 2 July 2018 Use a thermometer to make sure stuffing reaches 165 degrees before serving. Aleksandra Crapanzano, WSJ, "Everyone’s Secret-Favorite Thanksgiving Dish," 8 Nov. 2018 However, a thermometer does nothing to change the temperature in any way. Vincent Kituku, idahostatesman, "Be attuned to the needs of others | Idaho Statesman," 23 Mar. 2018 Once sugar has dissolved, continue to boil, undisturbed, until temperature reads 220 degrees on a candy thermometer. Allegra Ben-amotz, WSJ, "This Ingredient Lights Up a Dish Like No Other," 18 Dec. 2018 Roast turkey until thermometer inserted into thickest part of thigh registers 165°F, 2 1/2 to 3 hours. Woman's Day Test Kitchen, Woman's Day, "Dry-Brined Lemon-Rosemary Roasted Turkey," 24 Oct. 2018 Roast turkey until thermometer inserted into thickest part of thigh registers 165°F, 2 1/2 to 3 hours. The Good Housekeeping Test Kitchen, Good Housekeeping, "Thyme-Roasted Turkey and Gravy," 23 Oct. 2018 Place the thermometer in the center of the oven and preheat for at least twenty-five minutes before adjusting the oven controls to get the temperature specified in the recipe. Francine Maroukian, Popular Mechanics, "The Only Meat Thermometer Any Serious Person Needs," 29 Oct. 2018

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

23 Jan 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, thə-ˈmä-\

Kids Definition of thermometer

: an instrument for measuring temperature

thermometer

noun
ther·​mom·​e·​ter | \ thə(r)-ˈmäm-ət-ər \

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

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