endomorphism noun. 
[ɛndǝʊ'mɔ:fɪz(ǝ)m] E20.[French endomorphisme, formed as ENDOMORPH: see -ISM.]1.  Geology. The alteration of cooling molten rock by reaction with the surrounding rock mass or assimilation of fragments of it. 
E20.2.  Math. A homomorphism of a set into itself. 
M20.  [TahlilGaran] English Dictionary ▲