Definition of planetary in English:

planetary

Line breaks: planet|ary
Pronunciation: /ˈplanɪt(ə)ri
 
/

adjective

1Relating or belonging to a planet or planets: a planetary system the laws of planetary motion
More example sentences
  • The Universe has its own heavenly sounds, such as pulsars, planetary magnetospheres and solar winds.
  • Jupiter is the largest of our nine planets, containing two-thirds of the planetary mass of our Solar System.
  • In 1954 he developed his work on dynamical systems in relation to planetary motion.
1.1Relating to the earth as a planet: planetary air pollution and climatic change
More example sentences
  • What are the odds of one of these things hitting the planet Earth and causing planetary devastation?
  • On behalf of all of us who work together for the good of the whole we urge the planetary members of the Earth to be on high alert.
  • The story is that huge earthquakes are ripping earth apart, and a planetary evacuation needs to be set underway.

Origin

late 16th century: from late Latin planetarius 'relating to the planets' (recorded only as a noun meaning 'astrologer'), from planeta 'planet'.

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