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.

This ranges from shapes captured on trails or infrared cameras to a howl or witness testimony, allowing Bigfooters to hypothesise what that means about the beast's "anatomy, behaviour, sociality and levels of intelligence".

From BBC • Apr. 3, 2026

Embarking on expeditions in vast and sometimes dangerous environments, Bigfoot hunters set out with drones, infrared cameras, audio recorders and materials to cast footprints.

From BBC • Apr. 3, 2026

These infrared lasers are commonly used in data centers and sensing technologies because they are efficient and capable of operating at very high speeds.

From Science Daily • Apr. 2, 2026

Low-energy infrared photons do not have enough energy to activate electrons, while high-energy photons such as blue light lose their extra energy as heat.

From Science Daily • Mar. 28, 2026

Flying covertly for the Department of Energy, the plane carried some of the most technologically advanced infrared cameras.

From "Mountain of Fire" by Rebecca E. F. Barone

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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