📖 WordNook

capillary

adjective
  1. long and slender with a very small internal diameter
    “a capillary tube”
    hairlike
  2. of or relating to hair
noun
  1. a tube of small internal diameter
    “holds liquid by capillary action”
    capillary tubecapillary tubing
  2. any of the minute blood vessels connecting arterioles with venules
    capillary vessel