anti-hélio

== Portuguese == === Etymology === From anti- +‎ hélio. === Pronunciation === === Noun === anti-hélio m (uncountable) (chemistry) antihelium (antimatter form of helium) === Further reading === “anti-hélio”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026 “anti-hélio”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026