1. [ noun ] (medicine) a tube of small internal diameter; holds liquid by capillary action
Synonyms: capillary_tubing capillary_tube
Related terms: tube thermometer
2. [ adjective ] (anatomy) "a capillary network"
3. [ adjective ] long and slender with a very small internal diameter
Synonyms: hairlike

"a capillary tube"

Related terms: thin
4. [ adjective ] relating to or involving capillarity

"capillary action" "capillary attraction"

Related terms: hair capillarity
5. [ noun ] (anatomy,zoology) any of the minute blood vessels connecting arterioles with venules
Synonyms: capillary_vessel
Related terms: blood_vessel tomentum glomerulus
Similar spelling:   capillarity