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Definition of half dome

half dome

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• noun

1

American A massive, iconic granite dome rock formation located at the eastern end of Yosemite Valley in Yosemite National Park, California, renowned for its distinct shape characterized by a sheer flat face and a rounded back.

2

Any geological dome formation that has been partially sheared or eroded away, leaving a steep, vertical face on one side and a rounded profile on the other.

Example

"The advancing glacier carved away the side of the mountain, leaving behind a monumental half dome overlooking the newly formed valley."

• Nearby Words

hale
halesia
half
half dome
half-moon
halfback
halfbeak

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Half dome. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/half-dome
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