a quinone derivative, present in biological cells, that functions as an electron carrier in the electron transport chain Also called ubiquinone
coenzyme Q n.
[kog-nuh-zuh nt, kon-uh-] /ˈkɒg nə zənt, ˈkɒn ə-/ adjective 1. having ; aware (usually followed by of): He was cognizant of the difficulty. 2. having legal cognizance or jurisdiction. /ˈkɒɡnɪzənt; ˈkɒnɪ-/ adjective 1. (usually foll by of) aware; having knowledge adj. 1820, back-formation from cognizance.
[kog-nahyz] /ˈkɒg naɪz/ verb (used with object), cognized, cognizing. 1. to perceive; become conscious of; know. /ˈkɒɡnaɪz; kɒɡˈnaɪz/ verb 1. (transitive) to perceive, become aware of, or know v. 1650s, back-formation from cognizance. Related: Cognized; cognizing.
[kog-noh-muh n] /kɒgˈnoʊ mən/ noun, plural cognomens, cognomina [kog-nom-uh-nuh] /kɒgˈnɒm ə nə/ (Show IPA) 1. a surname. 2. any name, especially a nickname. 3. the third and commonly the last name of a citizen of ancient Rome, indicating the person’s house or family, as “Caesar” in “Gaius Julius Caesar.”. Compare (def 1). /kɒɡˈnəʊmɛn/ noun (pl) […]
n. mid-15c., from Latin cognoscere “to know” (see cognizance).