Look up downgrade in Wiktionary, the free dictionary. In computing, downgrading refers to reverting software (or hardware) back to an older version; downgrade is the opposite of upgrade. Often, complex programs may need to be downgraded to remove unused or bugged features, and to increase speed and/or ease of use. The same can occur with machinery.
Mastodynia is a medical term that means a patient suffers from pain in the breast. Sometimes the pain is associated with the menstrual cycle, but for some people, mastodynia is a symptom of an underlying disease. Occasionally, a patient may have breast pain that has no identifiable cause, although such simple causes as an ill-fitting bra may be found to be the problem.
Styes and chalazia are infections and inflammations of the tiny oil glands on the eyelids. A sty, or external hordeolum, is a common childhood infection of an oil gland on the surface of the upper or lower eyelids at the base of the eyelash. An internal hordeolum is an infection deeper inside the eyelid.