lunar

American  

[loo-ner] / ˈlu nər /

adjective

1. of or relating to the moon.

   the lunar orbit.

2. measured by the moon's revolutions.

   a lunar month.

3. resembling the moon; round or crescent-shaped.

4. of or relating to silver.

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noun

1. a lunar observation taken for purposes of navigation or mapping.

lunar British  

/ ˈluːnə /

adjective

1. of or relating to the moon

2. occurring on, used on, or designed to land on the surface of the moon

   lunar module

3. relating to, caused by, or measured by the position or orbital motion of the moon

4. of or containing silver

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lunar Scientific  

/ lo̅o̅′nər /

1. Relating to the Moon.

2. Measured by the revolution of the Moon around the Earth.

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Other Word Forms

• unlunar adjective

Etymology

Origin of lunar

First recorded in 1585–95, lunar is from the Latin word lūnāris of the moon. See Luna, -ar ¹

Example Sentences

They started quarantine in Houston last month and will continue that as they await the green light for the Artemis 2 lunar mission that's been plagued by technological difficulties and delays.

From Barron's

Walking on the Moon by 2030, building a lunar base, and then perhaps on to Mars: after 30 years of honing its expertise, China is challenging the United States' supremacy in spaceflight.

From Barron's

It will be the first lunar flyby in some 50 years.

From Barron's

It could also open up opportunities for investment in “next application” areas, such as lunar ice mining, he added.

From MarketWatch

More than half-a-century after the groundbreaking Apollo program's last crewed flight to the Moon, three men and one woman are preparing for a lunar journey set to turn a new page in American space exploration.

From Barron's

Related Words

• moony