Antimatter
['æntɪ,mætə] or ['æntɪmætɚ]
Definition
(noun.) matter consisting of elementary particles that are the antiparticles of those making up normal substances.
Editor: Stu--From WordNet
['æntɪ,mætə] or ['æntɪmætɚ]
(noun.) matter consisting of elementary particles that are the antiparticles of those making up normal substances.
Editor: Stu--From WordNet