asterism

Từ điển Oxford Learners Wordfinder Dictionary

noun

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