SUPERFETATION

Pronunciation (US): (GB):

Meaning:

Fertilization of a second ovum after a pregnancy has begun; results in two fetuses of different ages in the uterus at the same time

Example:

superfetation is normal in some animal species

Classified under:

Nouns denoting natural events

Hypernyms ("superfetation" is a kind of...):

fecundation; fertilisation; fertilization; impregnation (creation by the physical union of male and female gametes; of sperm and ova in an animal or pollen and ovule in a plant)

Derivation:

superfetate (conceive when a fetus is already present in the uterus)