venous
/ˈviː.nəs/ adjective
- adjective (relational) Of or pertaining to veins. “Her venous circulation was poor, leading to varicose veins.”
- adjective (relational, of blood) Having passed through the capillaries and given up oxygen for the tissues and become charged with carbon dioxide.
- adjective Possessing veins. “It was a sample of venous tissue.”
- adjective Having numerous veins. “The tree has highly serrated and venous leaves.”
Etymology
Morphologically vein + -ous, which is a borrowing from Latin vēnōsus (“full of veins, veiny”), from vēna (“a blood vessel, vein”) + -ōsus (“-ous, -ose”, adjectival suffix). Doublet of venose.
Webster’s 1913
- adjective Of or pertaining to a vein or veins; as, the venous circulation of the blood.
- adjective Contained in the veins, or having the same qualities as if contained in the veins, that is, having a dark bluish color and containing an insufficient amount of oxygen so as no longer to be fit for oxygenating the tissues; --said of the blood, and opposed to arterial.
Etymology [L. venosus, from vena a vein. See Vein.]
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “venous”, CC BY-SA 4.0. Details