Inflammation

n. swelling or redness caused by infection or injury; setting on fire, ignition, conflagration

Inflammation (Latin, inflammatio, to set on fire) is the complex biological response of vascular tissues to harmful stimuli, such as pathogens, damaged cells, or irritants. It is a protective attempt by the organism to remove the injurious stimuli as well as initiate the healing process for the tissue. Inflammation is not a synonym for infection. Even in cases where inflammation is caused by infection it is incorrect to use the terms as synonyms: infection is caused by an exogenous pathogen, while inflammation is the response of the organism to the pathogen.
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Inflammation /in·flam·ma·tion/ a protective tissue response to injury or destruction of tissues, which serves to destroy, dilute, or wall off both [more]Inflammation - Community and Resources

Noun
1. a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat
(synonym) redness, rubor
(hypernym) symptom
(hyponym) adenitis
(part-holonym) inflammatory disease
(derivation) inflame
2. the state of being emotionally aroused and worked up; "his face was flushed with excitement and his hands trembled"; "he tried to calm those who were in a state of extreme inflammation"
(synonym) excitement, excitation, fervor, fervour
(hypernym) emotional arousal
(hyponym) fever pitch
(attribute) exciting
3. arousal to violent emotion
(synonym) inflaming
(hypernym) arousal, rousing
(derivation) inflame, stir up, wake, ignite, heat, fire up
4. the act of setting on fire or catching fire
(synonym) ignition, firing, lighting, kindling
(hypernym) burning, combustion
(derivation) kindle, inflame

n. inflammation, swelling or redness caused by infection or injury; setting on fire, ignition, conflagration