Tending to expel. [L. ex-pello, pp. -pulsus, to drive out]
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ex·pul·sive ik-'spəl-siv adj
1) serving to expel <\expulsive efforts during labor>
2) characterized by concern with the elimination of feces <there are two anal phases-the earlier \expulsive and the later retentive (G. S. Blum)>
ex·pul·sion -'spəl-shən n
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ex·pul·sive (ek-spulґsiv) [ex- + L. pellere to drive] driving or forcing out; tending to expel.Medical dictionary. 2011.