Definition of decidualization in English:
decidualization
(also decidualisation)
noun dɪˌsɪdʒʊəlʌɪˈzeɪʃndɪˌsɪdjʊəlʌɪˈzeɪʃn
Physiology Medicine The condition of being decidualized; the process by which decidua is formed from endometrium.
Origin
1920s. From decidual + -ization.