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.

Roman's infrared instruments will be able to observe these glowing planets and study how their brightness changes over time.

From Science Daily • Jun. 1, 2026

I looked away from the infrared scope but could see nothing.

From The Wall Street Journal • May 30, 2026

Hydrogen molecules normally allow infrared radiation to pass through easily.

From Science Daily • May 29, 2026

Most of the videos disclosed on Friday feature grainy footage captured by US military infrared cameras between 2018 and 2023.

From BBC • May 22, 2026

Most shine mainly in visible and infrared light; others are also brilliant sources of X-rays or radio waves.

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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