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.

They are especially valuable because they emit light in the second near infrared region, which can travel deep into biological tissue.

From Science Daily • May 18, 2026

The new offering will likely include an infrared sauna and a red light therapy bed, among other things.

From Los Angeles Times • May 5, 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

“A separate suite with a private entrance is the perfect flex space for a creative studio, work-from-home office, full-size gym with infrared sauna, second kitchen, full bathroom, private deck, and yard,” the listing reads.

From MarketWatch • 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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