Part of speech: adjective

Of, pertaining to, or like hair; slender; having a hair like bore, as a tube.

Part of speech: noun

A minute vessel, as those connecting the arteries and veins; any tube with a fine bore.

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Usage examples "capillary":

  1. If a bulb is required in the middle of a capillary tube, the latter is usually best cut and a piece of ordinary tubing of suitable size sealed in to provide material for the bulb. - "Laboratory Manual of Glass-Blowing", Francis C. Frary.
  2. How is the silky matter moulded into a capillary tube? - "The Life of the Spider", J. Henri Fabre.
  3. From this it will appear that the vessels belonging to each heart form a symmetrical system, corresponding to the sides of the body, and that the capillary anastomosis of these systemic veins and arteries is divisible into two great fields, one situated on either side of the median line, and touching at this line. - "Surgical Anatomy", Joseph Maclise.