Relating to or affecting both material substances and the body or spirit; having properties between physical and metaphysical.
From dia- (through, between) + material, or possibly from Late Latin diabaticus (impassable, transitional). Extremely rare term from 17th-18th century philosophy.
This word barely survives in English—it represents a moment when philosophers were struggling to describe things that didn't fit the strict physical versus spiritual divide that modern science would later create.
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