- (n.) A tube or vessel, extremely fine or minute.
- (a.) Pertaining to capillary tubes or vessels; as, capillary action.
- (a.) Resembling a hair; fine; minute; very slender; having minute tubes or interspaces; having very small bore; as, the capillary vessels of animals and plants.
- (n.) A minute, thin-walled vessel; particularly one of the smallest blood vessels connecting arteries and veins, but used also for the smallest lymphatic and biliary vessels.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). capillary. Retrieved September 20, 2026, from http://smartdefine.org/capillary/definitions/1984486 |
| Chicago | Webster's. 2011. "capillary" http://smartdefine.org/capillary/definitions/1984486 (accessed September 20, 2026). |
| Harvard | Webster's 2011, capillary, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/capillary/definitions/1984486>. |
| MLA | Webster's. "capillary" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/capillary/definitions/1984486> |