# fusion
## English
### Etymology

First appears c. 1555, in a translation by Richard Eden. From Middle French fusion, from Latin fūsiōnem (the accusative of fūsiō), from fusus, past participle of fundō (“I pour, I melt”) (see also found). Doublet of foison.

### Pronunciation

* (UK) IPA: /ˈfjuː.ʒən/
* Audio (UK):(file)
* Rhymes: -uːʒən

### Noun

fusion (countable and uncountable, plural fusions)
* The act of merging separate things, or the result thereof.
** 1951 April, D. S. Barrie, “British Railways: A Survey, 1948-1950”, in Railway Magazine, number 600, page 223:These tasks may be summarised as comprising the maintenance and improvement of railway services and facilities during a transitional period; the reorganising of systems of management and technical practices, so as to secure maximum efficiency and economy from the fusion of four major railway systems (using for these purposes all the resources and traditional skill of the former companies); and the building-up of a sense of common purpose and esprit de corps among a staff of more than 600,000 men and women.
** (physics) A nuclear reaction in which nuclei combine to form more massive nuclei with the concomitant release of energy.
** (music) A style of music that blends disparate genres; especially different types of jazz and reggae.
** A style of cooking that combines ingredients and techniques from different countries or cultures
** The act of melting or liquefying something by heating it.
*** a. 1728 (date written), Isaac Newton, “[The Third Book of Opticks.] [Qu[estion] 25. Are there not other original Properties of the Rays of Light, besides those already described?]”, in Opticks: Or, A Treatise of the Reflections, Refractions, Inflections and Colours of Light. […], 4th edition, London: […] William Innys […], published 1730, →OCLC, page 329:This Cryſtal is a pellucid fiſſile Stone, clear as Water or Cryſtal of the Rock, and without Colour; enduring a red Heat without loſing its tranſparency, and in a very ſtrong Heat calcining without Fuſion.
*** 1855, James David Forbes, “On Glaciers In General”, in Occasional Papers on the Theory of Glaciers‎, published 1859, page 239:From a vault in the green-blue ice, more or less perfectly formed each summer, the torrent issues, which represents the natural drainage of the valley, derived partly from land-springs, partly from fusion of the ice.
*** 1951, Peter L. Paull, Frederick Burton Sellers, Method of Reducing Metal Oxides‎, US Patent 2740706:The upper limit of temperature is determined by the point at which fusion of the ore takes place, or often, for practical purposes, the temperature at which the ore softens and agglomerates.
*** 2002, Philippe Rousset, “Modeling Crystallization Kinetics of Triacylglycerols”, in Alejandro G. Marangoni, Suresh Narine, editors, Physical Properties of Lipids‎, →ISBN:Below the temperature of fusion of the solid phase, the growth rate of the solid/ liquid interface at low undercooling is affected mainly by undercooling.
** (genetics) The result of the hybridation of two genes which originally coded for separate proteins.
** (cytology) The process by which two distinct lipid bilayers merge their hydrophobic core, resulting in one interconnected structure.
** (fiction) The act of two characters merging into one, typically more powerful, being; or the merged being itself.

#### Antonyms

* (antonym(s) of “nuclear reaction in which nuclei combine”): fission

#### Hyponyms

(nuclear fusion):
* cold fusion
* hot fusion

#### Derived terms

* atomic fusion
* autofusion
* bubble fusion
* butt fusion
* co-fusion
* cold fusion
* data fusion
* defusion
* electrofusion
* enfuvirtide
* fusional
* fusion bomb
* fusion center
* fusion cuisine
* fusioneer
* fusionesque
* fusionism
* fusionist
* fusionless
* fusionlike
* fusion protein
* fusion reactor
* fusion rocket
* fusion tag
* fusion torch
* fusiony
* heat of fusion
* helium fusion
* hemifusion
* hot fusion
* interfusion
* jazz fusion
* mechanofusion
* microfusion
* myofusion
* nonfusion
* nuclear fusion
* postfusion
* prefusion
* pseudofusion
* refusion
* reggae fusion
* sonofusion
* stereofusion
* world fusion

#### Related terms

* fuse

#### Translations
### Verb

fusion (third-person singular simple present fusions, present participle fusioning, simple past and past participle fusioned)
* (nonstandard, transitive) To combine; to fuse.

## French
### Etymology

Inherited from Middle French fusion, from Old French fusion, a borrowing from Latin fūsiōnem. Doublet of foison.

### Pronunciation

* IPA: /fy.zjɔ̃/
* Audio:(file)

### Noun

fusion f (plural fusions)
* (physics, chemistry) fusion (act of melting or liquefying something by heating it)
* (figuratively) mix; mixture
* (nuclear physics) fusion
    Antonym: fission

#### Derived terms

* en fusion
* point de fusion

#### Descendants

* → Turkish: füzyon

### Further reading

* “fusion”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

## Middle French
### Etymology

Borrowed from Latin fūsiō, fūsiōnem.

### Noun

fusion f (plural fusions)
* fusion (act of melting or liquefying something by heating it)

#### Descendants

* French: fusion
** → Turkish: füzyon
* → English: fusion

## Polish
### Etymology

Unadapted borrowing from English fusion, from Middle French fusion, from Latin fūsiōnem.

### Pronunciation

* IPA: /ˈfju.ʐɘn/
* Rhymes: -uʐɘn
* Syllabification: fu‧sion

### Noun

fusion n (indeclinable)
* jazz fusion
    Synonym: jazz-rock
* fusion cuisine

### Further reading

* fusion in Polish dictionaries at PWN

## Swedish
### Etymology

From Latin fusiō, fusiōnem.

### Pronunciation

* IPA: /fɵˈɧuːn/

### Noun

fusion c
* (physics) nuclear fusion
* The process whereby two companies merge to become one.

#### See also

* fission

### References

* fusion in Svensk ordbok (SO)