Dictionary.com
Thesaurus.com

translunar

American  
[trans-loo-ner, tranz-, trans-loo-ner, tranz-] / ˈtrænsˌlu nər, ˈtrænz-, trænsˈlu nər, trænz- /

adjective

  1. translunary.

  2. Aerospace, Astronomy. of or relating to the region of space extending beyond the moon's orbit.


translunar British  
/ trænzˈluːnərɪ, trænzˈluːnə /

adjective

  1. lying beyond the moon Compare cislunar

  2. unworldly or ethereal

"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

Etymology

Origin of translunar

First recorded in 1925–30; trans- + lunar

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Hansen then described the translunar injection burn -- a maneuver that brought Orion within 200 kilometers of Earth before swinging around onto a new course for the Moon.

From Barron's • Apr. 4, 2026

The successful launch of the Artemis II mission on Wednesday and its translunar injection burn Thursday evening have been inspiring, with the smooth operations capping a two-decade effort.

From MarketWatch • Apr. 3, 2026

After Orion separates from the upper stage, it will conduct what is called a translunar injection—the engine firing that commits Orion to soaring out to the moon.

From The Wall Street Journal • Mar. 29, 2026

"A successful perigee-firing performed at Isro has injected the spacecraft into the translunar orbit. Next stop: the Moon," it said.

From BBC • Aug. 5, 2023

One wonders if they have ever felt the remote translunar beauty that common faces and old, dim, pitiful things can wear sometimes.

From Visions and Revisions A Book of Literary Devotions by Powys, John Cowper