abortus abortus /əˈbɔːrtəs/

noun

1. A human fetus whose weight is less than 0.5 kilogram when removed or expelled from the mother's body  ( abortus )
   a human fetus whose weight is less than 0.5 kilogram when removed or expelled from the mother's body
    The research focused on understanding the factors leading to an abortus.
   The research focused on understanding the factors leading to an abortus.