outer space

American  

noun

1. space beyond the atmosphere of the earth.

2. deep space.

---

outer space British  

noun

1. (not in technical usage) any region of space beyond the atmosphere of the earth

---

Etymology

Origin of outer space

First recorded in 1875–80

Example Sentences

This unusual mixture is known as dusty plasma, a rare state of matter that exists both in outer space and inside laboratory experiments.

From Science Daily

He writes about Boeing, Lockheed Martin and a wide range of startups and established companies that field their technology from land and sea to outer space.

From The Wall Street Journal

Most quantum computers require temperatures colder than in outer space.

From MarketWatch

Cameron’s affection for the place is still a convincing reason to hang out in outer space until the popcorn visionary finally returns to our planet.

From Los Angeles Times

Step closer and you hear the contraption appearing to breathe, a tinkling sound like wind chimes emanating from the cooling mechanism that keeps its innards colder than outer space.

From Barron's

Related Words

• cosmos