lunar

adjective

lu·​nar ˈlü-nər How to pronounce lunar (audio)
 also  -ˌnär
1
: crescent, lunate
who grasps the struggling heifer's lunar hornsAlexander Pope
2
a
: of, relating to, or resembling the moon
lunar craters
a lunar landscape
b
: designed for use on the moon
lunar vehicles
3
: measured by the moon's revolution
lunar month

Examples of lunar in a Sentence

Recent Examples on the Web In July of 1969, the Speedmaster famously became the first watch worn on the Moon as Neil Armstrong and Buzz Aldrin set foot on the lunar surface. Rachel Cormack, Robb Report, 18 Apr. 2024 Meanwhile, China is trying to land its own astronauts on the lunar surface in 2030. Andrew Paul, Popular Science, 11 Apr. 2024 The meteorite samples have resulted in a more random and comprehensive sampling of the entire lunar surface. Katie Hunt, CNN, 10 Apr. 2024 At the first imaging opportunity, LRO was oriented down 43 degrees from its typical position of looking down at the lunar surface to capture Danuri (streaked across the middle) from 3 miles, or 5 kilometers, above it. Stephen Smith, CBS News, 9 Apr. 2024 In recent weeks, calls from scientists across the world to establish better protections for the lunar surface, in an effort to preserve sensitive areas crucial for scientific research, have heightened. Christian Thorsberg, Smithsonian Magazine, 8 Apr. 2024 Deployment of atomic clocks on the lunar surface may be needed, according to the OSTP official. Reuters, NBC News, 4 Apr. 2024 Why don't eclipses happen more often — perhaps every month as a part of the lunar cycle? Doyle Rice, USA TODAY, 4 Apr. 2024 Combined, the contracts have a maximum potential value of $4.6 billion over 15 years for the development of what NASA calls lunar terrain vehicles. Christian Davenport, Washington Post, 3 Apr. 2024

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

Word History

Etymology

Middle English, from Latin lunaris, from luna moon; akin to Latin lucēre to shine — more at light

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of lunar was in the 15th century

Dictionary Entries Near lunar

Cite this Entry

“Lunar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lunar. Accessed 25 Apr. 2024.

Kids Definition

lunar

adjective
lu·​nar ˈlü-nər How to pronounce lunar (audio)
1
: of, relating to, or resembling the moon
lunar craters
a lunar landscape
2
: measured by the moon's revolution
lunar month

Medical Definition

lunar

adjective
lu·​nar
ˈlü-nər also -ˌnär
: lunate

More from Merriam-Webster on lunar

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