Im`ma*te"ri*al*ism (?), n. [Cf. F. immat'erialisme.]


The doctrine that immaterial substances or spiritual being exist, or are possible.

2. Philos.

The doctrine that external bodies may be reduced to mind and ideas in a mind; any doctrine opposed to materialism or phenomenalism, esp. a system that maintains the immateriality of the soul; idealism; esp., Bishop Berkeley's theory of idealism.


© Webster 1913.

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