noun Download 🔗Share (constellation) An unofficial constellation (small group of stars that forms a visible pattern). Examples : "Looking up at the Big Dipper, I learned that it's not a constellation itself, but rather an asterism within the larger constellation Ursa Major. " astronomy space Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A rarely used typographical symbol (⁂, three asterisks arranged in a triangle), used to call attention to a passage or to separate subchapters in a book. Examples : "The textbook used an asterism to visually separate the different sections within the long chapter. " stationery type writing literature mark language communication sign style Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A star-shaped figure exhibited by some crystals by reflected light (as in a star sapphire) or by transmitted light (as in some mica). Examples : "When the light shone on the sapphire, a clear asterism formed a six-pointed star on its surface. " astronomy geology material appearance physics figure science Chat with AIVocabulary GamePractice Reading