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Rümker

American  
[ruhm-ker] / ˈrʌm kər /

noun

  1. a crater in the second quadrant of the face of the moon: about 25 miles (40 km) in diameter.


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.

China collected the rocks on its Chang'e 5 space mission in 2020 when it landed on a volcanic area called Mons Rümker.

From BBC • May 8, 2025

On 1 December 2020, China’s Chang’e-5 spacecraft touched down near Mons Rümker, an inactive volcano that sits within the Oceanus Procellarum, a vast “sea,” or mare, of dark, hardened lava called basalt.

From Science Magazine • Oct. 19, 2021

The spacecraft will then release a lander that will touch down near a volcanic mound called Mons Rümker in the northwest region of the lunar near side.

From National Geographic • Dec. 16, 2020

Chang’e-5 will mark China’s second mission to the lunar nearside and will attempt to retrieve samples from Mons Rümker in Oceanus Procellarum, a large area of lunar mare in the northwest of the Moon’s nearside.

From Scientific American • Dec. 21, 2018

Dawes, at Camden Lodge, Cranbrook, Kent, in England, and on the 11th it was seen by Madame Rümker, the wife of the director of the observatory at Hamburg.

From Maria Mitchell: Life, Letters, and Journals by Mitchell, Maria