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Webster's New World College Dictionary » capillary
capillary
capillary definition
cap·il·lary (kap′ə ler′ē; Brit kə pil′ə ri)
adjective
- of or like a hair, esp. in being very slender
- having a very small bore
- in or of capillaries
Etymology: L capillaris < capillus, hair
noun pl. capillaries -·lar′·ies
- a tube with a very small borealso capillary tube
- any of the tiny blood vessels normally connecting the smallest arteries (arterioles) with the smallest veins (venules)
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