planetary

/ˈplænɪtɛri/
adjective
  1. Relating to or belonging to a planet or planets.
    • The rover sent back images of the planetary surface covered in red dust.
    • Scientists study planetary atmospheres to understand climate patterns on other worlds.
    • The planetary system includes eight major planets orbiting the Sun.
  2. Relating to the whole world; global in scale or importance.
    • The internet has created a planetary network connecting billions of people.
    • Climate change is a planetary crisis that affects every country.
    • We need a planetary effort to protect the oceans from pollution.
Antonyms
noun
  1. A gear that orbits around a central gear in a planetary gear system; also called a planet gear.
    • Each planetary in the gearset is mounted on a carrier.
    • The mechanic replaced a worn planetary to fix the grinding noise.
    • The planetary rotates around the sun gear inside the transmission.
Synonyms
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