Definition of ANTIMATTER

antimatter

Plural: antimatters

Noun

  • matter consisting of elementary particles that are the antiparticles of those making up normal substances
  • 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.

Origin / 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.

Scrabble Score: 12

antimatter: valid Scrabble (US) TWL Word
antimatter: valid Scrabble Word in Merriam-Webster MW Dictionary
antimatter: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 14

antimatter: valid Words With Friends Word