— ductless , adj.
/dukt/ , n.
1. any tube, canal, pipe, or conduit by which a fluid, air, or other substance is conducted or conveyed.
2. Anat. , Zool. a tube, canal, or vessel conveying a body fluid, esp. a glandular secretion or excretion.
3. Bot. a cavity or vessel formed by elongated cells or by many cells.
4. Elect. a single enclosed runway for conductors or cables.
5. Print. (in a press) the reservoir for ink.
v.t.
6. to convey or channel by means of a duct or ducts: Heat from the oven is ducted to the outside.
[ 1640-50; ductus conveyance (of water), hence channel (in ML), equiv. to duc- (var. s. of ducere to lead) + -tus suffix of verbal action ]