say it: RED-nuhs
redness is a noun meaning "a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat". It carries 2 recorded senses.
a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat
red color or pigment; the chromatic color resembling the hue of blood
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for redness come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.