adjective, noun, plural -lar⋅ies.| 1. | pertaining to or occurring in or as if in a tube of fine bore. |
| 2. | resembling a strand of hair; hairlike. |
| 3. | Physics.
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| 4. | Anatomy. pertaining to a capillary or capillaries. |
| 5. | Anatomy. one of the minute blood vessels between the terminations of the arteries and the beginnings of the veins. |
| 6. | Also called capillary tube. a tube with a small bore. |
A thin tube, such as a blood vessel or a straw, through which fluids flow.
Note: The interaction between the fluid and the vessel walls produces a force that can lift the fluid up into the tube, a phenomenon known as capillary action.
capillary cap·il·lary (kāp'ə-lěr'ē)
adj.
Of or relating to the capillaries.
Relating to or resembling a hair; fine and slender.