inflammation: a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat red: red color or pigment; the chromatic color resembling the hue of blood
Red is any of a number of similar colors evoked by light consisting predominantly of the longest wavelengths of light discernible by the human eye, in the wavelength range of roughly 625–740 nm. Longer wavelengths than this are called infrared, or below red and cannot be seen by human eyes. ... Having the quality of being red in color; A red discoloration
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