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Definition of star cluster

star cluster

Plural:star clusters
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• noun

1

A large group of stars held together by mutual gravitational attraction, typically classified as either a loosely bound open cluster or a densely packed globular cluster.

Example

"The Pleiades is a famous open star cluster that can easily be seen in the night sky without a telescope."

• Nearby Words

stapler
star
star anise
star cluster
star fruit
star jasmine
star of bethlehem

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Star cluster. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/star-cluster
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