noun🔗ShareAny plant of the genus Helianthus, so called probably from the form and color of its floral head, having the form of a large disk surrounded by yellow ray flowers."My grandmother's garden has many sunflowers, their large, yellow flower heads a beautiful sight. "plantbiologynatureagriculturevegetableChat with AIVocabulary GamePractice Reading
noun🔗ShareA bright yellow, like that of the flower petals."The sunflower in the garden was a bright yellow. "colorplantnatureChat with AIVocabulary GamePractice Reading
noun🔗ShareAny flat, radially symmetric organic compound such as coronene"In the chemistry lab, the professor used a computer model to show how coronene, a type of sunflower, is composed of fused benzene rings. "compoundchemistryChat with AIVocabulary GamePractice Reading