noun (n)

• a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat(noun.state)

  Synonym:
  inflammation, rubor
  

  source: wordnet30
• red color or pigment; the chromatic color resembling the hue of blood(noun.attribute)

  Synonym:
  red
  

  source: wordnet30
• The quality or state of being red; red color.(noun)

  source: webster1913