difference

difference /dif·fer·ence/ (dif´er-ens) the condition or magnitude of variation between two qualities or quantities.differen´tial

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arteriovenous oxygen difference  the difference in the blood oxygen content between the arterial and venous systems.

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dif·fer·ence (dfr-ns, dfrns)

n.

The magnitude or degree by which one quantity differs from another of the same kind.

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difference

in mathematical terms the result after subtracting one value from another; the difference may be negative or positive.