antiproton

[ an-tee-proh-ton, an-tahy- ]
/ ˈæn tiˌproʊ tɒn, ˈæn taɪ- /

noun Physics.

an elementary particle having negative charge equal in magnitude to that of the electron and having the same mass and spin as a proton; the antiparticle of the proton.

Origin of antiproton

First recorded in 1935–40; anti- + proton

Words nearby antiproton

antiport, antipoverty, antiproliferation, antiproliferative, antiprothrombin, antiproton, antipruritic, antipsychiatry, antipsychotic, antipyretic, antipyrine

British Dictionary definitions for antiproton

antiproton
/ (ˈæntɪˌprəʊtɒn) /

noun

the antiparticle of the proton; a particle having the same mass as the proton but an equal and opposite charge

Scientific definitions for antiproton

antiproton
[ ăn′tē-prō′tŏn′, ăn′tī- ]

The antiparticle that corresponds to the proton.