• synonyms


[kuh n-sep-tuh s]
noun, plural con·cep·tus·es.
  1. the embryo and associated membranes of humans and other highly developed animals.
Show More

Origin of conceptus

1935–40; < New Latin; Latin: the action of conceiving, hence, something that is conceived, fetus, embryo, equivalent to concep- (variant stem of concipere to conceive; see concept) + -tus suffix of v. action
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for conceptus

Historical Examples

  • For this reason we ought to call these conceptions, conceptions of comparison (conceptus comparationis).

    The Critique of Pure Reason

    Immanuel Kant

  • The Idea is never a conceptus dabilis; it is not an empirically possible conception.

  • By conceptus cosmicus Kant means concept shared by the whole world, or common to all mankind.

conceptus in Medicine


n. pl. con•cep•tus•es
  1. The products of conception; that is, the embryo, chorionic sac, placenta, and fetal membranes.
Show More
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.