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Synonyms

planetary

American  
[plan-i-ter-ee] / ˈplæn ɪˌtɛr i /

adjective

  1. of, relating to, or resembling a planet or the planets.

  2. wandering; erratic.

  3. terrestrial; global.

  4. Machinery. noting or pertaining to an epicyclic gear train in which a sun gear is linked to one or more planet gears also engaging with an encircling ring gear.


noun

  1. Machinery. a planetary gear train.

planetary British  
/ ˈplænɪtərɪ, -trɪ /

adjective

  1. of or relating to a planet

  2. mundane; terrestrial

  3. wandering or erratic

  4. astrology under the influence of one of the planets

  5. (of a gear, esp an epicyclic gear) having an axis that rotates around that of another gear

  6. (of an electron) having an orbit around the nucleus of an atom

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. a train of planetary gears

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • nonplanetary adjective

Etymology

Origin of planetary

From the Latin word planētārius, dating back to 1585–95. See planet, -ary

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Impacts were common in the early solar system, when debris was abundant and planetary orbits were unstable.

From Science Daily

"By linking laboratory chemistry, disk physics and particle transport models, our work may highlight how habitable conditions are rooted in the earliest stages of planetary formation."

From Science Daily

A photographer has captured six planets in one picture as part of a celestial planetary parade.

From BBC

They should all be visible in the same part of the sky shortly after sunset, creating what is often called a planetary parade.

From BBC

He tracks how deeply the transformative ideas of “biological evolution, a godless universe, and planetary extinction” shaped the poet’s imagination.

From The Wall Street Journal