átomo

== Galician == === Etymology === Learned borrowing from Latin atomus, from Ancient Greek ἄτομος (átomos, “indivisible”), from ἀ- (a-, “not”) + τέμνω (témnō, “to cut”). === Pronunciation === IPA(key): /ˈatomo/ [ˈa.t̪o.mʊ] Rhymes: -atomo Hyphenation: á‧to‧mo === Noun === átomo m (plural átomos) atom ==== Related terms ==== atómico === Further reading === “átomo”, in Dicionario da Real Academia Galega (in Galician), A Coruña: Royal Galician Academy, 2012–2026 “átomo”, in Dicionário Estraviz de galego (in Galician), 2014–2026 Antón Luís Santamarina Fernández, editor (2006–2013), “átomo”, in Dicionario de Dicionarios da lingua galega [Dictionary of Dictionaries of the Galician language] (in Galician), Santiago de Compostela: Instituto da Lingua Galega Antón Luís Santamarina Fernández, Ernesto Xosé González Seoane, María Álvarez de la Granja, editors (2003–2018), “átomo”, in Tesouro informatizado da lingua galega (in Galician), Santiago de Compostela: Instituto da Lingua Galega == Portuguese == === Etymology === Learned borrowing from Latin atomus (“smallest particle”), from Ancient Greek ἄτομος (átomos, “indivisible”), from ἀ- (a-, “not”) + τέμνω (témnō, “to cut”). === Pronunciation === (Portugal) IPA(key): [ˈa.tɨ.mu], [ˈa.tmu] Hyphenation: á‧to‧mo === Noun === átomo m (plural átomos) (physics, chemistry) atom (nucleus surrounded by electrons) atom (smallest, indivisible constituent part or unit of something) (historical) atom (theoretical indivisible particle of matter) instant (a very short period of time) Synonyms: instante, momento, piscar de olhos a very small and insignificant thing Synonyms: grânulo, grão, partícula ==== Hyponyms ==== (nucleus surrounded by electrons): eletrão, núcleo, partícula subatómica, protão ==== Derived terms ==== átomo-grama ==== Related terms ==== === Further reading === “átomo”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026 “átomo”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026 == Spanish == === Etymology === Learned borrowing from Latin atomus, from Ancient Greek ἄτομος (átomos, “indivisible”), from ἀ- (a-, “not”) + τέμνω (témnō, “to cut”). === Pronunciation === IPA(key): /ˈatomo/ [ˈa.t̪o.mo] Rhymes: -atomo Syllabification: á‧to‧mo === Noun === átomo m (plural átomos) (chemistry, physics) atom (the smallest possible amount of matter which still retains its identity as a chemical element) ==== Derived terms ==== === Further reading === “átomo”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025