retinal
(adjective) in or relating to the retina of the eye; “retinal cells”
retinene, retinal
(noun) either of two yellow to red retinal pigments formed from rhodopsin by the action of light
Source: WordNet® 3.1
retinal
(ophthalmology) Of or pertaining to the retina.
retinal (plural retinals)
(biochemistry, organic compound) One of several yellow or red carotenoid pigments formed from rhodopsin by the action of light.
Synonyms: retinaldehyde, retinene
• Latiner, art line, entrail, larnite, latrine, line art, ratline, reliant, trainel, trenail
Source: Wiktionary
Ret"i*nal, a. (Anat.)
Definition: Of or pertaining to the retina. Retinal purple (Physiol. Chem.), the visual purple.
Source: Webster’s Unabridged Dictionary 1913 Edition
25 December 2024
(adjective) having or exhibiting a single clearly defined meaning; “As a horror, apartheid...is absolutely unambiguous”- Mario Vargas Llosa
Espresso is both a coffee beverage and a brewing method that originated in Italy. When making an espresso, a small amount of nearly boiling water under pressure forces through finely-ground coffee beans. It has more caffeine per unit volume than most coffee beverages. Its smaller serving size will take three shots to equal a mug of standard brewed coffee.