duct

noun

ˈdəkt How to pronounce duct (audio)
Definition of ductnext
as in pipe
a long hollow cylinder for carrying a substance (as a liquid or gas) air ducts to provide ventilation

Synonyms & Similar Words

Relevance

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of duct Students could be exposed to asbestos in older buildings if pipes, boilers or ducts are not properly maintained. — Rebecca Smullin Dawson, The Conversation, 25 Sep. 2026 The original build haphazardly hid duct work and mechanical details behind varying heights of drywall. — Matt Goulet, Architectural Digest, 22 Sep. 2026 Punctal plugs are tiny devices placed in the tear ducts to slow tear drainage. — Julie Scott, Verywell Health, 17 Sep. 2026 Then carefully pull it away from the wall and check the duct, clamps, and connections for gaps, tears, or loose sections. — Bianca Lambert, Southern Living, 15 Sep. 2026 See All Example Sentences for duct
Recent Examples of Synonyms for duct
  1. pipe
  2. conduit
  3. tube
  4. channel
Noun
  • The mollusks can form dense colonies that clog pipes, obstruct water flow and foul boat motors.
    — Daniel Hunt, Sacbee.com, 23 Oct. 2026
  • Prolonged pump stoppages could lead to a disastrous local scenario of ruptured water supply, district heating, and sewage pipes, even if electricity remains available elsewhere in the country.
    — Tatiana Mitrova, Foreign Affairs, 23 Oct. 2026
Definition of pipe
Noun
  • His Kyrie organization now serves as a TEFA conduit for three new locations.
    — ABC News, ABC News, 21 Oct. 2026
  • The city's conduit agreement with BGE calls for $120 million of capital improvements over the course of four years.
    — Bryan Lynn, CBS News, 20 Oct. 2026
Definition of conduit
Noun
  • Several kids braved the 37-foot-tall slide, their screams echoing from inside the metal tube before popping out (usually with a smile).
    — Idaho Statesman, Idaho Statesman, 23 Oct. 2026
  • These small tubes return water and nutrients to the blood and help form urine.
    — MD Published, Verywell Health, 23 Oct. 2026
Definition of tube
Noun
  • While a filter holds the foam back, the gas passes through another channel into the eyedrop chamber, where the pressure exerted by it pushes the medication down a final microfluidic channel that leads directly into the corner of the patient's eye.
    — Ben Coxworth October 23, New Atlas, 23 Oct. 2026
  • Most of the nitrogen used in fertilizer travels through the Strait of Hormuz, a vital shipping channel in the Middle East controlled by Iran.
    — Saige Miller, NPR, 23 Oct. 2026
Definition of channel

Browse Nearby Words

ducky
duct
ductile
See all Nearby Words

Cite this Entry

“Duct.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/duct. Accessed 27 Oct. 2026.

Copy Citation
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Last Updated: - Updated example sentences

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of milieu

See Definitions and Examples »

Popular in Grammar & Usage

See More

How to Use 'Who' vs. 'Whom'

Merriam-Webster’s Great Big List of Words You Love to Hate

'Affect' vs. 'Effect'

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?
See More

Popular in Wordplay

See More

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

12 Lovely and Unusual Words for the Natural World

Why do we 'bury the lede?'

'Za' and 9 Other Words to Help You Win at SCRABBLE
See More

Popular

See More

How to Use 'Who' vs. 'Whom'

The Longest Long Words List

9 Words That Sound Like Insults But Aren't
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
different halloween monsters in silhouette
A Monstrous Vocab Quiz Words That Go Bump in the Night
See All