(medicine) Of or relating to an abnormal condition during pregnancy in which the umbilical cord inserts into the fetal membranes, then travels within the membranes to the placenta, risking rupture of the exposed vessels.
Veil-like.
voluntarism
voluntarism
noun
(US) A reliance on volunteers to support an institution or achieve an end; volunteerism.
(philosophy) A doctrine that assigns the most dominant position to the will rather than the intellect.
(politics) The political theory that a community is best organized by the voluntary cooperation of individuals, rather than by a government, which is regarded as being coercive by nature.
