growing abnormally out of something else; superfluous.
Phonetics. inserted or added as a result of articulatory interaction or impetus, as the t-sound in sense or against, without grammatical or historical justification; intrusive; parasitic.
更多excrescent例句
It was a prodigious white fang excrescent from the jaw of the world.
The insertion of excrescent p occurs after m in other words in Chaucer; as in solempne, dampne.
Round and about the tent and on its excrescent flooring were heaped our boxes, otherwise the wind would have blown it over.
An excrescent b, as in chimbley and fambly, seems to be native.
Skeat explains this form as fallen with an excrescent d, due to Scandinavian influence, citing also Bk.