Definition of Capillary

1. Noun. A tube of small internal diameter; holds liquid by capillary action.

Exact synonyms: Capillary Tube, Capillary Tubing
Group relationships: Thermometer
Generic synonyms: Tube, Tubing

2. Adjective. Of or relating to hair.
Partainyms: Hair

3. Noun. Any of the minute blood vessels connecting arterioles with venules.
Exact synonyms: Capillary Vessel
Specialized synonyms: Glomerulus, Tomentum, Tomentum Cerebri
Generic synonyms: Blood Vessel

4. Adjective. Long and slender with a very small internal diameter. "A capillary tube"
Exact synonyms: Hairlike
Similar to: Thin
Derivative terms: Capillarity

Definition of Capillary

1. a. Resembling a hair; fine; minute; very slender; having minute tubes or interspaces; having very small bore; as, the capillary vessels of animals and plants.

2. n. A tube or vessel, extremely fine or minute.

Definition of Capillary

1. Adjective. of or pertaining to hair ¹

2. Noun. A narrow tube ¹

3. Noun. (anatomy) Any of the small blood vessels that connect arteries to veins ¹

¹ Source:

Definition of Capillary

1. [n -RIES]

Medical Definition of Capillary

1. Any one of the minute vessels that connect the arterioles and venules, forming a network in nearly all parts of the body. Their walls act as semipermeable membranes for the interchange of various substances, including fluids, between the blood and tissue fluid. Synonym: vas capillare. Origin: L. Capillaris = hair like (16 Dec 1997)

Lexicographical Neighbors of Capillary

capillary (current term)
capillary action
capillary angioma
capillary arteriole
capillary artery
capillary attraction
capillary bed
capillary circulation
capillary drainage
capillary electrophoresis
capillary fracture
capillary fragility
capillary fragility test
capillary fringe
capillary haemangioma

Literary usage of Capillary

Below you will find example usage of this term as found in modern and/or classical literature:

1. A Text-book of physiology: For Medical Students and Physicians by William Henry Howell (1915)
"The capillary Electrometer.—The principle of the construction of the capillary ... A glass tube, a, is drawn out at one end into a very fine capillary, ..."

2. An Introduction to the Principles of Physical Chemistry from the Standpoint by Edward Wight Washburn (1921)
"The Flow of Fluids through capillary Tubes.'—For a liquid of viscosity ... moving with uniform velocity through a capillary tube of length 1 and radius r, ..."

3. A German-English dictionary of terms used in medicine and the allied sciences by Hugo Lang, Bertram Abrahams (1905)
"Kapillar-bezirk, m. capillary region ... capillary blood channel Kapillar ... n. capsular capillary vessel Kapsel-knie, n. knee of internal capsule ..."

4. Journal of the American Chemical Society by American Chemical Society (1915)
"The error is magnified by the presence of a further point of support in the middle of the wide tube, such as the capillary usually employed. ..."

5. Proceedings of the Royal Society of London by Royal Society (Great Britain) (1896)
"In my papers* " On a Method of Determining the value of Rapid Variations of a Difference of Potential," and " On the Time-Relations of the capillary ..."

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