duct
/'dʌki/
Học thuậtThân thiện
Definition
- Noun:
- A pipe, tube, or channel for conveying a fluid or air: A duct is an enclosed passage or conduit designed to carry a liquid, gas, or other flowing substance.
- A tube in the body for conveying a secretion: In anatomy, a duct is a bodily tube or passage that transports a specific secretion, such as tears or bile, from a gland.
- A tube formed by elongated plant cells: In botany, a duct is a continuous tube formed by a row of elongated cells without intervening end walls, often for transporting sap.
Usage and Examples
General Use (Pipe/Channel):
- The air conditioning system uses a network of ducts to distribute cool air throughout the building.
- Workers installed a new ventilation duct above the ceiling.
Anatomical Use (Bodily Tube):
- A blocked tear duct can cause excessive watering of the eye.
- The surgeon carefully repaired the bile duct during the operation.
Botanical Use (Plant Tube):
- Water and minerals are transported from the roots to the leaves through specialized ducts in the plant's stem.
Advanced Usage
"Ductwork": Refers to a system of ducts, especially in a building for heating, ventilation, and air conditioning (HVAC).
- The old ductwork in the house was inefficient and needed replacement.
"Ductile" (adj): Describes a material, like some metals, that can be drawn out into a thin wire or hammered thin without breaking. This is related to the concept of something being capable of being led or drawn, akin to being channeled.
- Copper is a highly ductile metal.
Variants and Related Words
Ducting (n): Material used to make ducts or the system of ducts itself.
- Flexible ducting is often used for connecting vents to the main system.
Ductless (adj): Describing a system that operates without ducts.
- We installed a ductless mini-split air conditioner in the room.
Synonyms
- Conduit: A channel for conveying fluids or protecting cables.
- Tube: A long, hollow cylinder.
- Channel: A passage for water or other fluids.
- Vessel (in anatomy): A duct or canal holding or conveying blood or other fluid.
Related Phrases and Compounds
Duct tape: A strong cloth-backed adhesive tape, originally designed for sealing heating and air conditioning ducts.
- He used duct tape to temporarily patch the hole.
Lacrimal duct: The specific tear duct in the eye.
- Bile duct: The duct that conveys bile from the liver and gallbladder to the duodenum.
- Pancreatic duct: The duct connecting the pancreas to the common bile duct.
Noun
- an enclosed conduit for a fluid
- a continuous tube formed by a row of elongated cells lacking intervening end walls
- a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance
- the tear duct was obstructed
- the alimentary canal
- poison is released through a channel in the snake's fangs