fusion

noun, often attributive
fu·​sion | \ˈfyü-zhᵊn \

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 RepublicansN. Y. 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

Keep scrolling for more

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.
See More

Recent Examples on the Web

Within Bisha is Akira Back, the Japanese-Korean fusion restaurant that has become one of the most sought-after reservations in the city. Kris Frieswick, WSJ, "Canada’s City of the Future Rides a New Wave," 4 Dec. 2018 Trump’s fusion of cultural conservatism to a relatively moderate set of economic policy positions was politically potent and helped make up for some of his personal failings as a candidate. Matthew Yglesias, Vox, "The biggest lie Trump tells is that he’s kept his promises," 18 Oct. 2018 For 85 years, the modernity of the Lacoste style lies in this singular fusion of sport and fashion. Amira Rasool, Teen Vogue, "Lacoste Makes History by Appointing Louise Trotter as Its First Female Creative Director," 5 Oct. 2018 For 85 years, the modernity of the Lacoste style lies in this singular fusion of sport and fashion. Luke Leitch, Vogue, "Lacoste Appoints Louise Trotter as Creative Director," 4 Oct. 2018 Each guest who donates $25 or more will receive a $25 gift certificate to Asian fusion restaurant Sunda (110 W. Illinois St. 312-644-0500). Sadé Carpenter, RedEye Chicago, "Do good at Rockit Bar & Grill's Ugly Sweater Food Drive," 13 Dec. 2017 This fusion makes trips by turns serendipitous and preplanned, a blend of anything-goes adventure and the clock-watching precision of a big-ship cruise. Paul Brady, Condé Nast Traveler, "Want Serious Bragging Rights? Do a Road Trip Across Borneo," 16 Nov. 2018 In a test tube, the resulting fusion antibodies could neutralize flu strains that neither of their single constituents could alone. Diana Gitig, Ars Technica, "Llama “nanobodies” might grant universal flu protection," 5 Nov. 2018 Its ongoing fusion with Android apps has masked some of its holes related to offline work, but that still feels like a patchwork solution with periodic moments of clunkiness. Jeff Dunn, Ars Technica, "The Ars Technica Back to School buying guide," 13 Aug. 2018

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.

See More

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

Keep scrolling for more

Learn More about fusion

Statistics for fusion

Last Updated

17 Dec 2018

Look-up Popularity

Time Traveler for fusion

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

See more words from the same century

Keep scrolling for more

More Definitions for fusion

fusion

noun

English Language Learners Definition of fusion

: a combination or mixture of things

physics : 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 \

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 \

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 \ adjective

Keep scrolling for more

Comments on fusion

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

WORD OF THE DAY

having a pattern of small flowers

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ

Love words? Need even more definitions?

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