Part of speech: Adjective
of or relating to hair
Part of speech: Adjective
long and slender with a very small internal diameter
Example: a capillary tube
Capillary vessel, Capillary tube, Capillary tubing, Capillary, Hairlike
The word "capillary" comes from Latin capillāris.
Latin became the scholarly language of Europe for over 1,500 years, standardizing technical vocabulary.