Formed or derived from outside an organism; not produced by living organisms.
From ex- 'outside' + organic (from Latin organicus, from Greek organikos 'relating to organs'). The prefix ex- here means 'external to' or 'outside of.'
Though rarely used today, 'exorganic' was important in 19th-century chemistry and geology to distinguish minerals and rocks (formed through non-biological processes) from organic compounds created by life.
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