Pronunciation: [ɹˈɛdənɪŋ] (IPA) 
The word "Reddening" is spelled with a double "d" and a single "n". The IPA phonetic transcription for this word is /ˈrɛdənɪŋ/. The "dd" indicates that the "d" sound is pronounced twice, while the single "n" indicates that the "n" sound is only pronounced once. The word refers to the process of turning red or becoming flushed, and its spelling follows the rules of English phonetics for words ending in "-en" and "-ing".
Reddening is a term that refers to the act or process of becoming red or acquiring a reddish hue or color. It is often used to describe the change in appearance that occurs when something or someone's skin, face, or any other surface takes on a tint of redness. The color red itself is associated with various emotions and conditions, such as anger, embarrassment, blushing, fever, irritation, and inflammation.
In a physiological context, reddening occurs due to the dilation of blood vessels near the surface of the skin. This dilation allows more blood to flow through the vessels, bringing an increased supply of oxygen and nutrients to the area, which in turn causes the skin to appear redder. It can be a natural reaction to physical exertion, heat, sun exposure, or may be triggered by emotional responses like embarrassment or excitement.
Moreover, reddening can be induced artificially through the application of various substances, such as certain cosmetic products or dyes, to give a temporary reddish color to the skin or other surfaces. This practice is often utilized in beauty treatments, theatrical makeup, or to create a specific appearance for artistic purposes.
Overall, reddening is a versatile term that describes the visual effect of acquiring a red tone, whether naturally or artificially, and encompasses a range of causes, from physiological responses to emotional reactions or intentional alterations for cosmetic or artistic purposes.
Becoming red.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "redden" comes from the Middle English word "reden", which is derived from the Old English word "reddian". In turn, the Old English word can be traced back to the Proto-Germanic word "raudjanan", meaning "to make or become red". The Proto-Germanic word has its roots in the Proto-Indo-European word "reudh", which means "red" or "ruddy". Overall, the etymology of the word "redden" reflects the historical development and evolution of words related to the color red.
