air canal
noun
A passage through which air can penetrate; (Botany ) a continuous airspace in the stem, petiole, root, etc., of an aquatic or semiaquatic plant.
Origin
Mid 18th century.
- substring
- substruction
- substructional
- substructural
- substructure
- substructured
- substylar
- substyle
- subsultation
- subsultive
- subsultory
- subsultus tendinum
- subsumable
- subsume
- subsumption
- subsumptive
- subsuperficial
- subsurface
- subsystem
- subsystemic
- subtabulate
- subtabulated
- subtabulation
- subtack
- subtangent