Definition of planetary in English:


Pronunciation /ˈplanəˌterē/ /ˈplænəˌtɛri/

Translate planetary into Spanish


  • 1Relating to or belonging to a planet or planets.

    ‘the laws of planetary motion’
    • ‘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.’
    • ‘Six of these discoveries are of planetary systems with two or more planets.’
    • ‘His work ran the gamut from star and planetary system formation to the study of the planets themselves.’
    • ‘This lead may account for the missing evidence of red dwarfs forming planetary systems.’
    • ‘Another example of these points is provided by Kepler's work on planetary motion.’
    • ‘New planetary star systems and galaxies are being discovered almost daily.’
    • ‘As solar system exploration continues, so too will planetary protection policies.’
    • ‘So many, perhaps most, of these so-called planetary systems may in fact be stellar or brown dwarf binaries.’
    • ‘This strange planetary system came as quite a surprise to secular astronomers.’
    • ‘The first of his laws of planetary motion asserts that planets orbit the Sun in ellipses.’
    • ‘This tradition owed much to Ptolemy's work on planetary motions.’
    • ‘Lunar and planetary exploration is a proposition far different from orbiting Earth.’
    • ‘Now, though, the planetary astronomy community has an opportunity to make a breakout move.’
    • ‘Newton, too, chose to work principally in the more traditional field of planetary astronomy.’
    • ‘The solar motion is relatively constant, but the planetary motion appears to change greatly according to the direction from which it is seen.’
    • ‘If so, such a cropping would have directly affected the development of our entire planetary system.’
    • ‘This is the smallest potential solar system ever seen, and could help scientists understand more about how planetary systems form.’
    • ‘Embedded in this crucible of star creation are embryonic planetary systems.’
    celestial, planetary, stellar, astronomic, heavenly
    1. 1.1Relating to the earth as a planet.
      ‘planetary air pollution and climatic change’
      • ‘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.’
      • ‘The planetary germ-plasm is a commons befalling generation on generation, and it is at risk.’
      • ‘For some, the UN still holds out hope for a planetary social contract for the age of globalization.’
      • ‘The earth itself is feeling the planetary force, influence or information departing along those lines.’
      global, international, intercontinental, world, universal, planetary, pandemic


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