Definition of mastocytosis in English:

mastocytosis

noun

  • The abnormal proliferation of mast cells at one or more sites in the body; any of several syndromes characterized by this.

Origin

1950s; earliest use found in Archives of Dermatology. From mastocyte + -osis, after French mastocytose.

Pronunciation

mastocytosis

/ˌmastəsʌɪˈtəʊsɪs/