interplanetary

adjective

in·​ter·​plan·​e·​tary ˌin-tər-ˈpla-nə-ˌter-ē How to pronounce interplanetary (audio)
: existing, carried on, or operating between planets
interplanetary dust
an interplanetary flight
interplanetary spacecraft

Examples of interplanetary in a Sentence

Recent Examples on the Web Auroras can be caused by geomagnetic storms resulting from coronal mass ejections from the sun, or also result from something called interplanetary shocks. David Faris, Newsweek, 10 July 2024 The researchers also found that the geomagnetic storms caused by interplanetary shocks tended to happen around magnetic midnight, a time when the Earth's North Pole was between Mäntsälä and the Sun. Michael Franco, New Atlas, 10 July 2024 The Philly horn happy party outfit continues to branch out on its latest single, which leans into interplanetary Parliament-Funkadelic funk. Tribune News Service, New York Daily News, 1 July 2024 But as those neutrinos traversed 93 million miles of interplanetary nothingness, some of them changed into muon-neutrinos or tau-neutrinos. Paul Sutter, Ars Technica, 11 June 2024 See all Example Sentences for interplanetary 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'interplanetary.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1691, in the meaning defined above

Time Traveler
The first known use of interplanetary was in 1691

Dictionary Entries Near interplanetary

Cite this Entry

“Interplanetary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interplanetary. Accessed 26 Jul. 2024.

Kids Definition

interplanetary

adjective
in·​ter·​plan·​e·​tary
ˌint-ər-ˈplan-ə-ˌter-ē
: between planets
interplanetary space
interplanetary travel

More from Merriam-Webster on interplanetary

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