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plethysmograph |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Plethysmograph \Pleth"ys*mo*graph\, n. [Gr. ? an enlargement + -graph.] (Physiol.) An instrument for determining and registering the variations in the size or volume of a limb, as the arm or leg, and hence the variations in the amount of blood in the limb. -- {Pleth`ys*mo*graph"ic}, a.
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