ˌ ̷ ̷ ̷ ̷ˈsīd.ə̇s noun
( -es )
Etymology: New Latin, from fibrosus fibrous (from International Scientific Vocabulary fibrous ) + -itis
: a painful muscular condition that is believed to originate in the connective tissue associated with muscles and joints and in some instances to involve a psychosomatic factor and that is commonly accompanied by the formation of painful subcutaneous nodules