infrared

[in-fruh-red] / ˌɪn frəˈrɛd /

NOUN

red

Synonyms

STRONGEST

cardinal coral crimson flaming glowing maroon rose wine

STRONG

blooming blush brick burgundy carmine cerise cherry chestnut claret copper dahlia fuchsia garnet geranium magenta pink puce ruby russet rust salmon sanguine scarlet titian vermilion

WEAK

bloodshot florid flushed healthy inflamed roseate rosy rubicund ruddy rufescent

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.

Booths of less well-known companies showcased the diverse range of drone technologies available, including "anti-jamming" devices, "sound recognition", "infrared thermal imaging" and "laser countermeasures".

From Barron's • May 21, 2026

Although increased CO2 helps the stratosphere radiate heat more effectively, the resulting cooler temperatures mean the Earth system ultimately releases less infrared energy into space overall.

From Science Daily • May 14, 2026

For Eloise Alexia, who teaches yoga and pilates at a wellness hub in London, the infrared light in her studio provides something other heat can't.

From BBC • May 2, 2026

Each drone is about 3 feet wide and equipped with cameras and infrared night vision.

From Los Angeles Times • Apr. 28, 2026

A black mask covers my face and infrared goggles shield my eyes.

From "Legend" by Marie Lu

Vocabulary lists containing infrared

Physical Science - Energy - Middle School

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Physics - Middle School

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Physics - High School

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