sílex

Borrowed from Latin silex (“pebble, flint”). Doublet of sílice.

• IPA^(key): (Central, Balearic) [ˈsi.ləks]
• IPA^(key): (Valencia) [ˈsi.leks]

sílex m (plural sílexs)

1. flint

• “sílex”, in Diccionari de la llengua catalana [Dictionary of the Catalan Language] (in Catalan), second edition, Institute of Catalan Studies [Catalan: Institut d'Estudis Catalans], April 2007
• “sílex”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2026
• “sílex” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
• “sílex” in Diccionari català-valencià-balear, Antoni Maria Alcover and Francesc de Borja Moll, 1962.

• sílice

Borrowed from Latin silex.

• Hyphenation: sí‧lex

sílex m or (rare) f (invariable)

1. flint (hard, fine-grained quartz which generates sparks when struck)

   Synonym: pederneira

• silício

• “sílex”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026
• “sílex”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026

Borrowed from Latin silex. Doublet of sílice.

• IPA^(key): /ˈsileɡs/ [ˈsi.leɣ̞s]
• Rhymes: -ileɡs
• Syllabification: sí‧lex

sílex m (plural sílex)

1. flint

   Synonyms: pedernal, moleña, cuarzo, sílice

• “sílex”, 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