| infrared radiation(noun, expression, idiom) | |
| red(noun, adjective, shade, color, glowing) | |
| infrared frequency(noun, expression, idiom) | |
| infrared emission(noun, expression, idiom) | |
| infrared light(noun, expression, idiom) | |
| vermilion(glowing, cardinal, rose, salmon, flaming) | |
| cardinal | |
| crimson | |
| florid(noun, glowing, cardinal, rose, salmon) | |
| geranium(glowing, cardinal, rose, salmon, flaming) | |
| inflamed(noun, glowing, cardinal, makeup, rose) | |
| maroon | |
| rubicund | |
| ruddy | |
| rufescent(glowing, cardinal, rose, salmon, flaming) | |
| russet(glowing, cardinal, rose, salmon, flaming) | |
| rust | |
| salmon(noun, glowing, cardinal, rose, flaming) | |
| titian(glowing, cardinal, rose, salmon, flaming) | |
| ultraviolet |
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| APA | Smart Define. (2015). infrared thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/infrared/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "infrared thesaurus" https://smartdefine.org/infrared/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, infrared thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/infrared/thesaurus/synonyms>. |
| MLA | Smart Define. "infrared thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/infrared/thesaurus/synonyms> |