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interplanetary

[ in-ter-plan-i-ter-ee ]
/ ˌɪn tərˈplæn ɪˌtɛr i /
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adjective

being or occurring between the planets or between a planet and the sun.

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Nearby words

  1. interpersonal therapy,
  2. interphalangeal joint,
  3. interphase,
  4. interphone,
  5. interphyletic,
  6. interplanetary space,
  7. interplant,
  8. interplay,
  9. interplead,
  10. interpleader

Origin of interplanetary

First recorded in 1685–95; inter- + planetary
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for interplanetary

British Dictionary definitions for interplanetary

interplanetary

/ (ˌɪntəˈplænɪtərɪ, -trɪ) /

adjective

of, relating to, or existing between planets
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

Word Origin and History for interplanetary

interplanetary

adj.

1690s, "existing between planets," from inter- + planetary. In reference to travel between planets, attested from 1897.

Online Etymology Dictionary, © 2010 Douglas Harper