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.
Coccydynia is a medical term meaning pain in the coccyx or tailbone area, usually brought on by sitting too abruptly.occydynia may also be caused by sitting improperly thereby straining the coccyx. Rarely, coccydynia is due to the undiagnosed presence of a sacrococcygeal teratoma or other tumor in the vicinity of the coccyx. In these cases, appropriate treatment usually involves surgery and/or chemotherapy.