retinal

== English == === Etymology 1 === From retina + -al (“of or pertaining to”). ==== Pronunciation ==== (Received Pronunciation) IPA(key): /ˈɹɛt.ɪn.əl/ (General American) IPA(key): /ˈɹɛt.ən.əl/, /ˈɹɛt.nəl/ Rhymes: -ɛtɪnəl ==== Adjective ==== retinal (not comparable) (ophthalmology, relational) Of or pertaining to the retina. ===== Derived terms ===== ===== Translations ===== === Etymology 2 === From retina +‎ -al (“aldehyde”). ==== Pronunciation ==== (General American) IPA(key): /ˈɹɛt.əˌnæl/, /ˈɹɛt.əˌnɔl/ Rhymes: -ɛtɪnæl ==== Noun ==== retinal (countable and uncountable, plural retinals) (biochemistry, organic chemistry) A yellow to orange aldehyde derived from vitamin A that is formed from rhodopsin by the action of light and in combination with proteins forms the visual pigments of the retinal rods and cones. Synonyms: retinaldehyde, retinene ===== Derived terms ===== neoretinal ===== Translations ===== === References === “retinal”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022. “retinal”, in Merriam-Webster.com Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present. === Anagrams === ratline, inter al., art line, -traline, Latiner, entrail, line art, trenail, trainel, larnite, reliant, latrine == Interlingua == === Adjective === retinal (not comparable) retinal ==== Related terms ==== retina == Spanish == === Pronunciation === IPA(key): /retiˈnal/ [re.t̪iˈnal] Rhymes: -al Syllabification: re‧ti‧nal === Adjective === retinal m or f (masculine and feminine plural retinales) retinal === Further reading === Seco, Manuel; Andrés, Olimpia; Ramos, Gabino (2023), “retinal”, in Diccionario del español actual (in Spanish), third digital edition, Fundación BBVA