träf+ noun
Etymology: New Latin, from troph- + amnion
: a nutritive sheath that sometimes invests the embryonic portion of the insect egg especially in polyembryonic insects — see paranucleus
träf+ noun
Etymology: New Latin, from troph- + amnion
: a nutritive sheath that sometimes invests the embryonic portion of the insect egg especially in polyembryonic insects — see paranucleus
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012