melting point


Definition of melting point 

: the temperature at which a solid melts

Examples of melting point in a Sentence

Recent Examples on the Web

The components not covered by the heat shield are made of a molybdenum alloy, which has a melting point of more than 4,000°F. Brian Resnick, Vox, "NASA is shooting a spaceship at the sun. It might help us solve a huge mystery.," 8 Aug. 2018 Water ice that is near the melting point is opaque to radio waves, and so the ice above the lake must be well below freezing. Jay Bennett, Popular Mechanics, "Underground Lake of Liquid Water Detected on Mars," 25 July 2018 These salts can reduce the melting point of water to negative 74 degrees C, so the subglacial lake is likely between this temperature and around negative 10 or 20 degrees. Jay Bennett, Popular Mechanics, "Underground Lake of Liquid Water Detected on Mars," 25 July 2018 Similar circumstances occurred in December 2016, when the temperature at the North Pole last flirted with the melting point in the dark, dead of winter. Jason Samenow, Washington Post, "Arctic temperatures soar 45 degrees above normal, flooded by extremely mild air on all sides," 22 Feb. 2018 These electric smelting techniques have the potential to significantly reduce greenhouse gas emissions if they can be improved to work on metals with higher melting points, such as iron and steel. Jonathan Schifman, Popular Mechanics, "The Entire History of Steel," 9 July 2018 Temperatures, in the dead of winter, rocketed to the melting point at the North Pole, nearly 60 degrees above normal. Jason Samenow, Washington Post, "Rapid Arctic warming and melting ice are increasing the frequency of blizzards in the Northeast, study finds," 14 Mar. 2018 At plate boundaries in the ocean, subduction moves water into the mantle, lowering the melting point of rock underneath the edges of continental plates. Umair Irfan, Vox, "Volcanoes are awe-inspiring. Here are 7 things to know about them.," 11 May 2018 That byproduct wax was odorless, colorless, and its melting point could be changed with additives. Wes Siler, Outside Online, "This cotton won't kill you," 18 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'melting point.' 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 melting point

1823, in the meaning defined above

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Statistics for melting point

Last Updated

8 Dec 2018

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Time Traveler for melting point

The first known use of melting point was in 1823

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More Definitions for melting point

melting point


English Language Learners Definition of melting point

: the temperature at which something melts

melting point


Kids Definition of melting point

: the temperature at which a solid melts

melting point

melt·​ing point | \ˈmel-tiŋ-ˌ \

Medical Definition of melting point 

: the temperature at which a solid melts

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More from Merriam-Webster on melting point

Rhyming Dictionary: Words that rhyme with melting point

Spanish Central: Translation of melting point

Nglish: Translation of melting point for Spanish Speakers Encyclopedia article about melting point

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