mediumismn.
/ˈmiːdɪəmɪz(ə)m/, U.S. /ˈmidiəˌmɪzəm/ The practices or profession of a spiritual medium.
ΘΚΠ
the world > the supernatural > the occult > spiritualism > [noun] > spiritualist or medium > practices of or conversion into
mediumship1852
mediumism1864
medianimity1876
mediumization1880
1864 A. Leighton Myst. Legends Edinb. (1886) 121 The spirit-rapping miracles of mediumism.
1880 W. D. Howells Undiscovered Country xii. 181 A mercenary professional mediumism.
1904 W. James in Proc. Soc. Psychical Res. 1903–4 18 33 The existence all about us of thousands..who are mediumistic to the degree at any rate of being automatic writers, and whose mediumism results in these grotesque impersonations,..is a phenomenon of human life.
1955 Philos. & Phenomenol. Res. 16 149 Oesterreich..expected new light for philosophy from mediumism.
1989 F. Peretti Piercing the Darkness ix. 67 We used to call it mediumism; a person allows a demonic spirit to speak through him or her.
This entry has been updated (OED Third Edition, June 2001; most recently modified version published online March 2022).
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n.1864