interstellar

[ in-ter-stel-er ]

adjective

1. Astronomy. situated or occurring between the stars:

   interstellar dust.

interstellar

/ ˌɪntəˈstɛlə /

adjective

1. conducted, or existing between two or more stars

Word History and Origins

Origin of interstellar¹

First recorded in 1620–30; inter- + stellar

Example Sentences

That’s plainly a national security issue, as he testified to a Senate subcommittee in April 2023, but not an interstellar one.

From Los Angeles Times

He says advances being made at some commercial space companies means there is a possibility that we could become a multi-planetary and interstellar civilisation.

From BBC

The telescope, with its fellow Maunakea resident the James Clerk Maxwell Telescope, discovered that Earth is basking in light from excited molecules living quietly in interstellar space.

From Los Angeles Times

His captivating 2021 book “Extraterrestrial” posited that Oumuamua, the first known interstellar object to enter our solar system, had evidence of being extraterrestrial technology.

From Los Angeles Times

Voyager 1 exited the heliosphere in 2012, the first earthly object to reach interstellar space.

From Science Magazine