asterism
1. (mineralogy) a star-shaped figure with six rays that is seen in some crystal structures under reflected or transmitted light • Topics: mineralogy • Hypernyms: star 2. (astronomy) a cluster of stars (or a small constellation) • Derivationally related forms: asterismal • Topics: astronomy, uranology • Hypernyms: natural object • Instance Hyponyms: Big Dipper, Dipper, Plough, Charles's Wain, Wain, Wagon, Little Dipper • Member Holonyms: constellation
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