Inflammation

[in-fluh-mey-shuh n] /ˌɪn fləˈmeɪ ʃən/

noun
1.
Pathology. redness, swelling, pain, tenderness, heat, and disturbed function of an area of the body, especially as a reaction of tissues to injurious agents.
2.
the act or fact of .
3.
the state of being .
/ˌɪnfləˈmeɪʃən/
noun
1.
the reaction of living tissue to injury or infection, characterized by heat, redness, swelling, and pain
2.
the act of inflaming or the state of being inflamed
n.

“redness or swelling in a body part,” early 15c., from Middle French inflammation and directly from Latin inflammationem (nominative inflammatio) “a setting on fire,” noun of action from past participle stem of inflammare (see inflame). Literal sense in English from 1560s.

inflammation in·flam·ma·tion (ĭn’flə-mā’shən)
n.
A localized protective reaction of tissue to irritation, injury, or infection, characterized by pain, redness, swelling, and sometimes loss of function.
in·flame’ v.
inflammation
(ĭn’flə-mā’shən)
The reaction of a part of the body to injury or infection, characterized by swelling, heat, redness, and pain. The process includes increased blood flow with an influx of white blood cells and other chemical substances that facilitate healing.

The response of tissue to injury or infection. Pain, heat, redness, and swelling are the four basic symptoms of inflammation.