Air Duct Definition & Meaning

Definition

Etymology

Examples

Synonyms air duct American

noun

1. an enclosure, usually of sheet metal, that conducts heated or conditioned air.

Etymology

Origin of air duct

First recorded in 1865–70

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

When hydrogen had built up in the unit 3 building, it had backed up into unit 4, too, and been sparked into an explosion in the air ducts on the building’s fourth floor.

From Literature

Most attributed the improvement in smell to the passage of time, cleaning surfaces and air ducts, replacing furnace filters, and removing carpet, textiles and furniture from the home.

From Salon

An air duct cleaning addresses all aspects of your system that air crosses over and can improve air quality and efficiency.

From Seattle Times

He recounted how lightning struck a pond near their Wilmington home, struck a wire and entered their residence through air ducts.

From Washington Times

Some of these pollutants settle onto surfaces, while others penetrate fabrics, stick to walls and enter air ducts.

From Salon

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.