Excrescence may refer to:
*
Excrescence (phonology), the addition of a consonant to a word
* In medicine and physiology, an outgrowth, especially of this skin, such as occurs in
carnosity
In anatomy, a tubercle (literally 'small tuber', Latin for 'lump') is any round nodule, small eminence, or warty outgrowth found on external or internal organs of a plant or an animal.
In plants
A tubercle is generally a wart-like projection, ...
*
Excrescence (architecture)
John Ruskin (8 February 1819 20 January 1900) was an English writer, philosopher, art critic and polymath of the Victorian era. He wrote on subjects as varied as geology, architecture, myth, ornithology, literature, education, botany and poli ...
, a term defined by the architect Ruskin to mean an unpleasant addition to a building
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