SYN: intermediate (4). [L.]
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in·ter·me·di·us .int-ər-'mē-dē-əs adj tending to be moderately virulent used esp. of strains of diphtheria bacilli compare GRAVIS, MITIS
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in·ter·me·di·us (in″tər-meґde-əs) [TA] intermediate: a term denoting the middle of three structures, one of which is situated closer to and the other farther from the median plane of the body or part.Medical dictionary. 2011.