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 Venus is the second closest planet to the sun, and now has a surface temperature of about 880 degrees Fahrenheit (471 degrees Celsius) -- above the melting point of lead, according to NASA. Harry Clarke-ezzidio, CNN, "Venus isn't habitable -- and it could be all Jupiter's fault," 1 Oct. 2020 Because pressure increases the melting point of the mantle by strengthening its chemical bonds, the mantle is almost entirely solid even in the extreme heat at its lower depths. Cody Cassidy, Wired, "How to Escape From an Erupting Volcano," 8 Sep. 2020 The video leads with thermal architect David Haley, who said a GPU without cooling attached to it would heat up to about 760 degrees Celsius, which is 100 degrees hotter than the melting point of aluminum. Gordon Mah Ung, PCWorld, "Nvidia teases GeForce RTX 3090 design tweaks with radical new cooler, 12-pin power," 26 Aug. 2020 Aluminum has the lower melting temperature at about 1,200 degrees Fahrenheit, but copper’s melting point of about 1,900 degrees is still dwarfed by lightning’s ability to heat materials to up to 50,000 degrees. Caroline Delbert, Popular Mechanics, "Watch Lightning Strike the Washington Monument, Then Watch It Again," 5 June 2020 The technique takes its name from the fact that, unlike repairs done with welding, the fusing is done far below the melting point. Kyle Mizokami, Popular Mechanics, "How a Supersonic Metal Spray Could Make Subs Even Deadlier," 2 June 2020 Bonham and Gade start by melting lump of gallium—a soft and extremely shiny metal whose melting point is between room temperature and human body temperature—over very low heat. Caroline Delbert, Popular Mechanics, "Watch What Happens When You Inject Stretch Armstrong With Gallium," 24 June 2020 While a much lighter metal, aluminum has lower melting point and ignition temperature than steel, meaning fires can devastate the ship’s superstructure. Christopher Harress |, al, "Mobile’s Austal misses out on $5.5 billion U.S. Navy contract," 1 May 2020 All were items with a higher melting point than, say, a human body., "Death, lies and uranium: How an Ohio man’s mysterious disappearance in 1984 still haunts family, friends," 17 Mar. 2020

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.

See More

First Known Use of melting point

1823, in the meaning defined above

Keep scrolling for more

Learn More about melting point

Time Traveler for melting point

Time Traveler

The first known use of melting point was in 1823

See more words from the same year

Statistics for melting point

Last Updated

14 Oct 2020

Cite this Entry

“Melting point.” Dictionary, Merriam-Webster, Accessed 22 Oct. 2020.

Keep scrolling for more

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 How to pronounce melting point (audio) \

Medical Definition of melting point

: the temperature at which a solid melts

More from Merriam-Webster on melting point

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

Comments on melting point

What made you want to look up melting point? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Spell It

Can you spell these 10 commonly misspelled words?

Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!