capillary tube capillary pyrites • capillary tubing · · · Info · Definitions · Synonyms · Characters · · capillary tube · · Text Common · · Latin · · Scripts 14 · · Length 5 · · Syllables Definitions · · · (noun) a tube of small internal diameter; holds liquid by capillary action. Synonyms: capillary, capillary tube, capillary tubing. · · Noun Definition 1 Synonyms · · · capillary · · Synonym 1 capillary tubing · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075 y latin small letter y U+0079