antielectron Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a particle that is the opposite of an electron. Example Sentence The scientist was studying the properties of an antielectron in his lab. Synonyms positron; anti-beta particle; positive electron Antonyms electron; negative particle Hear It! Say It! Write It! antielectron Switch to cursive Start Share with your friends:
