antimatter

名词 n.
中文释义
美 /ˈæn.tiˌmæt.ɚ/|/ˈænˌtaɪˌmæt.ɚ/|[ˈæn.tiˌmæ.ɾɚ]|[ˈæ.ɾ̃iˌmæ.ɾɚ]|[ˈæ.niˌmæ.ɾɚ]

英文释义

名词 n.
  1. Matter that is composed of the antiparticles of those that constitute normal matter. uncountable,usually
    — But most theories predict that equal amounts of matter and antimatter should have been produced during the big bang, and the mystery of what happened to all the antimatter is a central question in fundamental physics.
  2. A form of matter that has a key property, such as charge, opposite to that of ordinary matter. uncountable,usually
    — Particles of matter and antimatter are identical, except for an opposite electrical charge. An electron has a negative charge whereas its antiparticle, the positron, has a positive charge, and both have an identical mass.

词形变化

antimatters plural anti-matter alternative

词汇关系

衍生词
antimatter rocket
相关词
antiparticle

词源

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.
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