Term: superfetation: fertilization of a second ovum after a pregnancy has begun; results in two fetuses of different ages in the uterus at the same time
Candidate hypernym: fertilization: creation by the physical union of male and female gametes; of sperm and ova in an animal or pollen and ovule in a plant → 1
Candidate hypernym: rusty blackbird: North American blackbird whose bluish-black plumage is rusty-edged in the fall → 0
Candidate hypernym: beastliness: unpleasant nastiness; used especially of nasty weather → 0
Candidate hypernym: ketamine: a general anesthetic and tranquilizer (not a barbiturate) that is administered intravenously or intramuscularly; used mainly by veterinarians or for minor surgery with geriatric or pediatric patients; taken in large doses it causes hallucinations similar to those associated with the use of PCP → 0
Candidate hypernym: bovine spongiform encephalitis: a fatal disease of cattle that affects the central nervous system; causes staggering and agitation → 0
Candidate hypernym: box calf: black calfskin leather tanned with chromium salts → 0
Candidate hypernym: woofer: a loudspeaker that reproduces lower audio frequency sounds → 0
Candidate hypernym: kraal: a village of huts for native Africans in southern Africa; usually surrounded by a stockade → 0
Candidate hypernym: naias: sole genus of the family Naiadaceae → 0
Candidate hypernym: social science: the branch of science that studies society and the relationships of individual within a society → 0
Candidate hypernym: sickle feather: one of the long curved tail feathers of a rooster → 0