• WordNet 3.6
    • n ballottement a palpatory technique for feeling a floating object in the body (especially for determining the position of a fetus by feeling the rebound of the fetus after a quick digital tap on the wall of the uterus)
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Century Dictionary and Cyclopedia
    • n ballottement In obstetrics, a method of testing pregnancy.
    • n ballottement It consists of palpation, to determine the presence of a movable body in the abdomen, such as a child in the womb, a floating kidney, etc., by a sudden tap with the finger from below; this forces the body upward, and it can be felt again as it settles down upon the tip of the finger. Also called repercussion.
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In literature:

Cephalic ballottement was obtained in the large tumor.
"Anomalies and Curiosities of Medicine" by George M. Gould

In news:

(Photo by Ed Ballotts November 8, 2012 ).