any tube, canal, pipe, or conduit by which a fluid, air, or other substance is conducted or conveyed.
Anatomy, Zoology. a tube, canal, or vessel conveying a body fluid, especially a glandular secretion or excretion.
Botany. a cavity or vessel formed by elongated cells or by many cells.
Electricity. a single enclosed runway for conductors or cables.
Printing. (in a press) the reservoir for ink.
verb (used with object)
to convey or channel by means of a duct or ducts:
Heat from the oven is ducted to the outside.
a tube, pipe, or canal by means of which a substance, esp a fluid or gas, is conveyed
any bodily passage, esp one conveying secretions or excretions
a narrow tubular cavity in plants, often containing resin or some other substance
Also called conduit. a channel or pipe carrying electric cable or wires
a passage through which air can flow, as in air conditioning
the ink reservoir in a printing press
1640s, “course, direction,” from Latin ductus “a leading,” past participle of ducere “to lead” (see duke (n.)). Anatomical sense is from 1660s. Meaning “conduit, channel” is 1713; that of “air tube in a structure” is from 1884.
ductless duct·less (dŭkt’lĭs)
Lacking a duct, as glands that only secrete internally.
A tubular bodily canal or passage, especially one for carrying a glandular secretion such as bile.
A tube or tubelike structure through which something flows, especially a tube in the body for carrying a fluid secreted that is by a gland.
noun 1. . noun 1. (anatomy) See endocrine gland ductless gland n. See endocrine gland. ductless gland (dŭkt’lĭs) See endocrine gland.
[duhk-ter] /ˈdʌk tər/ noun, Printing. 1. the roller that conveys ink in a press from the ink reservoir to the distributor.
[duhk, duhkt] /dʌk, dʌkt/ noun 1. a strongly adhesive silver-gray cloth tape, used in plumbing, household repairs, etc. noun 1. a type of strong waterproof adhesive silver-coloured cloth tape used for repairs by plumbers, electricians, etc by 1943; see duct (here in the electrical wiring sense) + tape.
[duhk-tool, -tyool] /ˈdʌk tul, -tyul/ noun, Anatomy, Zoology. 1. a small . /ˈdʌktjuːl/ noun 1. (anatomy, zoology) a small duct ductule duc·tule (dŭk’tōōl’, -tyōōl’) n. A small duct. duc’tu·lar (-tə-lər, -tyə-) adj.