antineutrino

(from the article `physical science, principles of`) ...nuclei have a higher-than-ideal ratio of protons to neutrons and may adjust the proportion by the reverse process, a proton being converted into a ... ...and antineutrons consist of antiquarks. Neutrinos too have spin 12 and therefore have corresponding antiparticles known as antin...
Found on http://www.britannica.com/eb/a-z/a/83

antineutrino

[n] - the antiparticle of a neutrino
Found on http://www.webdictionary.co.uk/definition.php?query=antineutrino

antineutrino

noun the antiparticle of a neutrino
Found on http://wordnetweb.princeton.edu/perl/webwn?s=antineutrino
No exact match found