fusion

noun, often attributive
fu·​sion | \ ˈfyü-zhᵊn How to pronounce fusion (audio) \

Definition of fusion

1 : the act or process of liquefying or rendering plastic by heat
2 : a union by or as if by melting: such as
a : a merging of diverse, distinct, or separate elements into a unified whole Opera is a fusion of several arts.
b : a political partnership : coalition a fusion of Democrats and independent RepublicansNew York Times
c : popular music combining different styles (such as jazz and rock)
d : food prepared using techniques and ingredients of two or more ethnic or regional cuisines a restaurant that specializes in Indian-Chinese fusion

called also fusion cuisine

3 : the union of atomic nuclei to form heavier nuclei resulting in the release of enormous quantities of energy when certain light elements unite nuclear fusion

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Examples of fusion in a Sentence

a fusion of different methods a fusion of musical styles The show is a fusion of news and entertainment. The fusion of different cultural influences is evident in her sculpture.
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Recent Examples on the Web The lab has integrated a CS-1 into one of them, to aid in experiments including simulating nuclear fusion. Matthew Hutson, The New Yorker, 20 Aug. 2021 An earlier version of this article stated that stellar cores need to reach temperatures of 100 million degrees Celsius to sustain nuclear fusion. Quanta Magazine, 5 Aug. 2021 This machine is the world’s largest Z-pinch, a plasma physics device originally designed to study nuclear fusion—basically a soup-can-sized wire cage sitting on top of a warehouse-sized series of capacitor banks. Adam Frank, Scientific American, 21 July 2021 Culichitown serves various food and drinks, including Mexican style-cuisine, fusion dishes and sushi. Dallas News, 1 July 2021 The running joke is that nuclear fusion is always 10 to 20 years away. Caroline Delbert, Popular Mechanics, 28 May 2021 The Sun’s heat comes from nuclear fusion in its core, and temperatures should decline moving outward. Daniel Clery, Science | AAAS, 27 Apr. 2021 Saweetie is a known connoisseur of the McGangBang, a DIY fusion of the Big Mac and the McChicken. Rebecca Alter, Vulture, 16 Aug. 2021 Over the last decade, Reno has quietly become a vibrant culinary city, fueled by the fusion of regional ranches and farms and the creativity of talented chefs. Dallas News, 12 Aug. 2021

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

14th century, in the meaning defined at sense 1

History and Etymology for fusion

borrowed from Medieval Latin fūsiōn-, fūsiō "process of pouring, casting of molten metal," going back to Latin, "process of pouring, effusion," from fud-, variant stem of fundere "to pour, shed, cast (liquid metal)" (Medieval Latin also, "to melt down, make liquid") + -tiōn-, -tiō, suffix of verbal action — more at found entry 5

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Learn More About fusion

Time Traveler for fusion

Time Traveler

The first known use of fusion was in the 14th century

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Dictionary Entries Near fusion

fusinization

fusion

fusion bomb

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Statistics for fusion

Last Updated

14 Sep 2021

Cite this Entry

“Fusion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fusion. Accessed 22 Sep. 2021.

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More Definitions for fusion

fusion

noun

English Language Learners Definition of fusion

: a combination or mixture of things
: a process in which the nuclei of atoms are joined
: a type of popular music that combines different styles (such as jazz and rock)

fusion

noun
fu·​sion | \ ˈfyü-zhən How to pronounce fusion (audio) \

Kids Definition of fusion

1 : an act of fusing or melting together
2 : union by or as if by melting
3 : union of atomic nuclei to form heavier nuclei resulting in the release of enormous quantities of energy

fusion

noun, often attributive
fu·​sion | \ ˈfyü-zhən How to pronounce fusion (audio) \

Medical Definition of fusion

1a : the act or process of liquefying or rendering plastic by heat
b : the liquid or plastic state induced by heat
2 : a union by or as if by melting together: as
a : a merging of diverse elements into a unified whole specifically : the blending of retinal images in binocular vision
b : a combination of ingredients achieved by heating and mixing together
c
(1) : a blend of sensations, perceptions, ideas, or attitudes such that the component elements can seldom be identified by introspective analysis
(2) : the perception of light from a source that is intermittent above a critical frequency as if the source were continuous

called also flicker fusion

— compare flicker
d : the surgical immobilization of a joint — see spinal fusion
3 : the union of atomic nuclei to form heavier nuclei resulting in the release of enormous quantities of energy when certain light elements unite

called also nuclear fusion

Other Words from fusion

fusional \ -​ᵊl How to pronounce fusion (audio) \ adjective

More from Merriam-Webster on fusion

Nglish: Translation of fusion for Spanish Speakers

Britannica English: Translation of fusion for Arabic Speakers

Britannica.com: Encyclopedia article about fusion

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