Rittenhouse Rittenhouse /ˈrɪtənˌhaʊs/

noun

1. United States astronomer said to have built the first telescope made in America; also the first director of the United States Mint (1732-1796)  ( David Rittenhouse , Rittenhouse )
   United States astronomer said to have built the first telescope made in America; also the first director of the United States Mint (1732-1796)
   
   

 medusa medusa /məˈduːsə/

noun

1. One of two forms that coelenterates take: it is the free-swimming sexual phase in the life cycle of a coelenterate; in this phase it has a gelatinous umbrella-shaped body and tentacles  ( medusa , medusan , medusoid )
   one of two forms that coelenterates take: it is the free-swimming sexual phase in the life cycle of a coelenterate; in this phase it has a gelatinous umbrella-shaped body and tentacles
   
   

 Medusa

1. (Greek mythology) a woman transformed into a Gorgon by Athena; she was slain by Perseus  ( Medusa )
   (Greek mythology) a woman transformed into a Gorgon by Athena; she was slain by Perseus
    One glance at Medusa would turn any beholder to stone.
   One glance at Medusa would turn any beholder to stone.
   
   

 cosmogony cosmogony /kɒzˈmɔgəni/

noun

1. The branch of astrophysics that studies the origin and evolution and structure of the universe  ( cosmogeny , cosmogony , cosmology )
   the branch of astrophysics that studies the origin and evolution and structure of the universe
   
   

 genus Doodia genus Doodia /ˈdʒiːnəs doʊˈdiːə/

noun

1. In some classification systems placed in family Polypodiaceae; small terrestrial colony-forming ferns of Australasia  ( Doodia , genus Doodia )
   in some classification systems placed in family Polypodiaceae; small terrestrial colony-forming ferns of Australasia