interplanetary

adjective
in·​ter·​plan·​e·​tary | \ ˌin-tər-ˈpla-nə-ˌter-ē How to pronounce interplanetary (audio) \

Definition of interplanetary

: existing, carried on, or operating between planets interplanetary dust an interplanetary flight interplanetary spacecraft

First Known Use of interplanetary

1691, in the meaning defined above

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Time Traveler for interplanetary

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The first known use of interplanetary was in 1691

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Dictionary Entries Near interplanetary

interplace

interplait

interplane

interplanetary

interplant

interplay

interplea

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Cite this Entry

“Interplanetary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interplanetary. Accessed 27 Jul. 2021.

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More Definitions for interplanetary

interplanetary

adjective

English Language Learners Definition of interplanetary

astronomy : existing or occurring between planets

More from Merriam-Webster on interplanetary

Nglish: Translation of interplanetary for Spanish Speakers

Britannica English: Translation of interplanetary for Arabic Speakers

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