capillary.
Resembling or pertaining to hair, especially in slenderness or fineness.
Meaning & usage
Resembling or pertaining to hair, especially in slenderness or fineness.
Of or pertaining to a narrow tube.
Of, relating to, or caused by surface tension.
Of or relating to capillaries in the body or to capillary action.
Where this word comes from
From Latin capillāris (“pertaining to the hair”), from capillus (“the hair, properly of the head”), from caput (“head”).
Any of the small blood vessels (from 5 to 10 micrometres/micrometers (μm) in diameter) that connect arteries to veins (They are the smallest blood vessels in the body: they convey blood between the arterioles and venules).
A tube or channel having a very small internal diameter, through which liquid can rise or be drawn by capillary action.
Where this word comes from
From Latin capillāris (“pertaining to the hair”), from capillus (“the hair, properly of the head”), from caput (“head”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.