noun Date: 15th century a projection or outgrowth especially when abnormal , a disfiguring, extraneous, or unwanted mark or part ; blot , by-product 2
EXCRESCENCE
Meaning of EXCRESCENCE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012