noun

capillary

capillary

The smallest blood vessels are called capillaries.

The smallest blood vessels are called capillaries.

Capillary action draws water up the plant's stem.

Capillary action draws water up the plant's stem.

((a/the)) capillary a very thin tube, especially one of the smallest blood vessels The smallest blood vessels are called capillaries.

Synonyms: blood vessel, tube

From Latin 'capillaris' (of hair), from 'capillus' (hair). It refers to something as fine as a hair.

Imagine a tiny 'cap' that only fits on a 'pillar' of hair, highlighting its small, thin nature.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.