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.

Industry analysts say the U.S. is the global market leader in remote-sensing satellites, which use a range of technologies—including optical and infrared sensors, as well as radar and radio waves—to gather data.

From The Wall Street Journal • Apr. 23, 2026

Thanks to its infrared vision, the telescope will be able to observe light emitted by celestial bodies billions of years ago, effectively looking back in time to hopefully discover more about the two phenomena.

From Barron's • Apr. 22, 2026

By engineering a subwavelength grating, they were able to trap infrared light within a layer only 40 nanometers thick.

From Science Daily • Apr. 5, 2026

Because the grating strongly concentrates infrared light, this conversion becomes much more efficient.

From Science Daily • Apr. 5, 2026

But because Venus is much cooler than the Sun, it emits radiation chiefly in the infrared rather than the visible region of the spectrum.

From "Cosmos" by Carl Sagan

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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