English Explanatory Dictionary

antimatter

English dictionary entry

Meanings

noun

Matter that is composed of the antiparticles of those that constitute normal matter.
A form of matter that has a key property, such as charge, opposite to that of ordinary matter.

Pronunciation

/ˈæn.tiˌmæt.ɚ/ /ˈænˌtaɪˌmæt.ɚ/ [ˈæn.tiˌmæ.ɾɚ] [ˈæ.ɾ̃iˌmæ.ɾɚ] [ˈæ.niˌmæ.ɾɚ] LL-Q1860 (eng)-Vininn126-antimatter.wav

Word forms

antimatter antimatters anti-matter

Etymology

From anti- + matter. Coined by British physicist Arthur Schuster in 1898 to describe matter that resists gravity in a jocular article in Nature titled "Potential Matter.—A Holiday Dream", but not used in a modern sense until the 1940s.

Related words

antiparticle

Derived words

antimatter rocket

← antimatrimonialist
← antimatrimonialists
← antimatroid
← antimatroidal
← antimatroids

antimatter rocket →
antimatter rockets →
antimatters →
antimaxima →
antimaximum →

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