Definition of paraneoplastic in US English:

paraneoplastic

noun

Medicine
  • Designating or relating to any of various (often metabolic, endocrine, or neurological) conditions which occur in patients with neoplastic disease but which do not result directly from tissue invasion by the primary tumour or its metastases; especially in "paraneoplastic syndrome".

Origin

1950s. From para- + neoplastic, after French paranéoplastique.

Pronunciation

paraneoplastic

/ˌparəniːə(ʊ)ˈplastɪk/