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.
to convey or channel by means of a duct or ducts: Heat from the oven is ducted to the outside.
- ductless, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use duct in a sentence
The patch is patterned with artificial sweat ducts, similar to human skin pores.
I’d camp instead of pay for a hotel, and I wore the same puffy jacket forever, patching holes with duct tape.Young, Dumb, and Broke: Why Outdoorsy Types Suck at Money | jversteegh | July 13, 2021 | Outside Online
When the baby is born, the luminal cells, which line the inside of the ducts, produce the proteins that comprise milk.
The myoepithelial cells reside outside the ducts and work as muscles that squeeze the ducts to push milk out.
The images of sprouting ducts look like blossoming trees in the spring while later they shrivel like plants do in the fall.
With a bit of luck and duct tape, I thought we might put together enough votes to avoid a runoff.How Thad Cochran Pulled Off a Win Over Chris McDaniel (Simple, Really) | Stuart Stevens | June 30, 2014 | THE DAILY BEAST
The windows were sealed shut around the edges by duct tape but still rattled when it got windy.
He binds the little flyer with black plastic ties and seals her mouth with duct tape.The Stacks: The Searing Story of How Murder Stalked a Tiny New York Town | E. Jean Carroll | April 19, 2014 | THE DAILY BEAST
Nobody was allowed in his room, where the windows were covered with black garbage bags secured with duct tape.We Already Know What Adam Lanza’s Real Motive Was at Sandy Hook | Michael Daly | November 26, 2013 | THE DAILY BEAST
The large roll of duct tape was still attached and found next to her head by firefighters.Autopsies on Hannah Anderson’s Family Bring Police No Closer to a Motive | Christine Pelisek | September 24, 2013 | THE DAILY BEAST
Another smaller lymph duct enters the right subclavian vein.A Civic Biology | George William Hunter
Above I could see the end of the duct faintly in the light coming up through the open chamber door from the utility room.Greylorn | John Keith Laumer
Having ligated the duct, he saw it swell below and become empty above the ligature.An Epitome of the History of Medicine | Roswell Park
The duct that bears his name was discovered during his residence in Leyden or at Amsterdam.An Epitome of the History of Medicine | Roswell Park
The ancient conception of the artery as an air-duct gave rise to the derivation from Gr.
British Dictionary definitions for duct
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
- ductless, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for duct
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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.