Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Noun: Oort
  1. Dutch astronomer who proved that the galaxy is rotating and proposed the existence of the Oort cloud (1900-1992)
    - Jan Oort, Jan Hendrix Oort

Type of: astronomer, stargazer, uranologist

Encyclopedia: Oort, Jan Hendrik