ple·thys·mo·graph·ic /-ˌθɪzməˈgræfɪk/ 形容詞
Pleth·ys·mo·graph n. 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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