ISOTRONS Antonyms There are 9 antonyms of the word isotrons. (opposite meanings)Did you mean?Definition of ISOTRONSBest Opposite Words For ISOTRONSTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1baryonsnounn2electronsnounn3fermionsnounn4leptonsnounn5mesonsnounn6neutronsnounn7positronsnounn8protonsnounn9quarksnounn Alternatives for BARYONS Words (2)neutronsprotonsPhrases (1)heavy particleOpposite words for baryons Alternatives for ELECTRONS Words (1)negatronOpposite words for electrons Alternatives for MESONS Words (1)mesotronOpposite words for mesons Alternatives for POSITRONS Words (1)antielectronOpposite words for positrons