Plethysmography

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Plethysmography \Pleth`ys*mog"ra*phy\, n. (Physiol.)
     The study, by means of the plethysmograph, of the variations
     in size of a limb, and hence of its blood supply.
     [1913 Webster]