ultrared

American

[uhl-truh-red] / ˌʌl trəˈrɛd /

noun

(not in technical use) infrared.

ultrared British

/ ˌʌltrəˈrɛd /

adjective

an obsolete word for infrared

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of ultrared

First recorded in 1865–70; ultra- + red ¹

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.

She’s abandoned her ultrared lipstick and nail polish and her tumed-up collars and has taken up moderate pinks and going on diets, and grooming.

From "Cat's Eye" by Margaret Atwood

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023