noun🔗ShareA clear, deep, red variety of corundum, valued as a precious stone."My grandmother's ring featured a beautiful ruby. "mineralgeologymaterialvalueChat with AIVocabulary GamePractice Reading
noun🔗ShareA red spinel."The jeweler explained that the antique ring contained a ruby, a type of red spinel, rather than a true ruby. "mineralmaterialChat with AIVocabulary GamePractice Reading
noun🔗ShareA deep red colour."The dress was a beautiful ruby red. "colorChat with AIVocabulary GamePractice Reading
noun🔗ShareThe tincture red or gules."The artist used a ruby-colored paint to highlight the details in the drawing. "heraldrycolorChat with AIVocabulary GamePractice Reading
noun🔗ShareThe size of type between pearl and nonpareil, standardized as 5½-point."The cookbook recipe called for a ruby-sized font for the ingredient list. "typewritingpointnumberChat with AIVocabulary GamePractice Reading
noun🔗ShareA ruby hummer, a South American hummingbird, Clytolaema rubricauda."While hiking in the Andes, the ornithologist spotted a ruby, its red tail flashing in the sunlight. "animalbirdnatureChat with AIVocabulary GamePractice Reading
noun🔗ShareA red bird-of-paradise, Paradisaea rubra."The ruby is a beautiful, red bird, and my sister loves to watch them at the zoo. "birdanimalChat with AIVocabulary GamePractice Reading
verb🔗ShareTo make red; to redden."The chef rubbed the sauce into the meat, ruby-ing the surface. "colorChat with AIVocabulary GamePractice Reading
adjective🔗ShareOf a deep red colour."The sunset painted the sky in ruby hues. "colorChat with AIVocabulary GamePractice Reading
noun🔗ShareA pronunciation guide written above or beside Chinese or Japanese characters."The student used the ruby to understand the pronunciation of the difficult Japanese word. "languagewritingcharactercommunicationlinguisticswordeducationChat with AIVocabulary GamePractice Reading
