èter

Borrowed from Latin aethēr, from Ancient Greek αἰθήρ (aithḗr).

• IPA^(key): (Central, Balearic) [ˈɛ.tər]
• IPA^(key): (Valencia) [ˈɛ.ter]

èter m (plural èters)

1. ether (the substance formerly supposed to fill the upper regions of the atmosphere above the clouds)
2. (organic chemistry) ether (any of a class of organic compounds containing an oxygen atom bonded to two hydrocarbon groups)

• eteri
• etil

• “èter”, 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
• “èter”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2025
• “èter” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
• “èter” in Diccionari català-valencià-balear, Antoni Maria Alcover and Francesc de Borja Moll, 1962.

From Latin alter.

• IPA^(key): /ˈɛːter/

èter m (feminine singular ètra, masculine plural èter, feminine plural ètri)

1. other, another