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.
an infection of one of the mastoid bones, usually an extension of a middle ear infection. It is characterized by earache, fever, headache, and malaise. Swelling of the mastoid process often displaces the pinna anteriorly and inferiorly.escription. The mastoid is a part of the side (temporal bone) of the skull. It can be felt as a bony bump just behind and slightly above the level of the earlobe.