fusion English · revision 10497

+ {{infobox|confidence=established|formation=borrowing|attested=1555|origins=fr fusion|origins=la fusio|origins=ine-pro *ǵʰew-}}

+

+ ==Pronunciation==

+ * IPA: /ˈfjuː.ʒən/ ''(UK)''^(Wiktionary)

+

+ ==Etymology==

+ It is from French fusion or directly [[bor|la|fūsiō|t=an outpouring, effusion]], fūsiōnem,^(Etymonline)^(Hoad 1986)^(SOED 2002) from fūsus, past participle of fundere, to pour, melt (see [[found]], to cast metal),^(Etymonline)^(Hoad 1986)^(MWU 2024) from PIE *gheu-, to pour.^(Etymonline)

+

+ ==Earliest recorded meaning==

+ Melting by intense heat: 1555, the 1550s in Etymonline.^(OED 1989)^(Etymonline)

+

+ ==Semantic evolution==

+ A fused mass is from 1823.^(OED 1989) The union or blending together of different things is by 1776,^(Etymonline)^(OED 1989) used especially in the 19th century of political coalitions (1845),^(Etymonline)^(OED 1989) and in the early 20th century in psychology (1892) and of atoms and jazz.^(Etymonline)^(OED 1989) Nuclear fusion, the forming of a heavier nucleus from lighter ones with release of energy, is from 1947.^(OED 1989) Jazz-rock, and cooking that blends cuisines, are later uses.^(AHD)

+

+ ==Timeline==

+ * 1555 – melting.^(OED 1989)

+ * 1776 – a blending together.^(OED 1989)

+ * 1845 – a political coalition.^(OED 1989)

+ * 1947 – nuclear fusion.^(OED 1989)

+

+ ==Modern meaning==

+ ===Noun===

+ # The process of melting by heat, or the melted state.^(AHD)

+ # The merging of different things into a whole.^(AHD)

+ # ''(physics)'' A nuclear reaction in which light nuclei combine to form heavier ones, releasing energy.^(AHD)

+ # A style of music blending jazz and rock, or of cooking combining different cuisines.^(AHD)

+

+ ==Word family==

+ * [[fusional]]

+ * [[defusion]]

+ * [[fusionism]]

+ * [[fusionist]]

+ * [[nonfusion]]

+ * [[cold fusion]]

+ * [[fusion bomb]]

+ * [[fusion reactor]]

+

+ ==Related words==

+ * [[fuse]]

+ * [[fusible]]

+ * [[found]]

+ * [[confuse]]

+ * [[transfusion]]

+ * [[diffusion]]

+

+ ==References==

+ {{reflist}}