The spelling of the word "ultrared" can be explained using the International Phonetic Alphabet (IPA) phonetic transcription. The IPA transcription for "ultra" is /ˈʌltrə/, which represents the stressed syllable of the word as the "ʌ" sound, followed by the consonant blend "ltr" represented by the symbol "l" with a small "t" under it. The transcription for "red" is /rɛd/, with the "r" sound and the open-mid vowel "ɛ" sound represented. Together, the spelling of "ultrared" accurately matches its phonetic transcription.
Ultrared is an adjective that describes something that emits, reflects, or appears to be of an intensely deep red color, often beyond the typical range of red hues perceived by the human visual system. The term "ultrared" combines the prefix "ultra-", meaning beyond or surpassing a given level or degree, and the word "red," which is a primary color.
In scientific contexts, ultrared can refer to electromagnetic radiation or light waves with a wavelength longer than the visible light spectrum, specifically longer than the longest visible red wavelength. Ultrared light falls within the infrared region of the electromagnetic spectrum, which lies beyond the red end. This type of radiation is typically associated with higher energy and longer wavelengths, making it invisible to the naked eye but detectable by certain scientific instruments or sensors.
Beyond the scientific realm, the term ultrared may also be used metaphorically or figuratively to describe objects, substances, or even emotions that evoke a sense of intense or extreme redness. This can refer to vivid shades of red, such as those found in paintings or photographs, or it can be used to describe intense experiences or sensations that resonate with the passionate, fiery, or energetic connotations commonly associated with the color red.
In summary, ultrared refers to a deep or profound red color that surpasses the range typically observed by humans, whether it be in the scientific domain of electromagnetic radiation or in the realm of visual aesthetics and sensory experiences.
Infrared, noting the heat rays beyond the red end of the spectrum.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "Ultrared" is a compound formed by combining the prefix "ultra-" and the adjective "red".
The prefix "ultra-" comes from the Latin word "ultra", meaning "beyond" or "on the other side". It is commonly used in English to indicate something that is extreme, beyond, or surpassing a normal or accepted limit.
The adjective "red" comes from the Old English word "rēad", which has Germanic roots. It refers to the color at the end of the visible light spectrum with the longest wavelength and the lowest frequency.
When these components are combined, "ultra-" emphasizes the intensity, extremity, or beyond-normal nature of the color red. Therefore, "Ultrared" refers to a shade of red that is exceptionally deep, intense, or goes beyond the typical red hues.