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."The sunflowers in Grandma's garden are a beautiful sight, with their large, yellow flower heads. "plantnatureappearancevegetablebiologyagricultureChat with AIVocabulary GamePractice Reading
noun🔗ShareA bright yellow, like that of the flower petals."The little girl drew a picture of a field filled with sunflowers reaching for the sun. "plantcolornatureChat with AIVocabulary GamePractice Reading
noun🔗ShareAny flat, radially symmetric organic compound such as coronene"Due to their structural similarity to coronene and other radially symmetric organic compounds, scientists jokingly refer to large polycyclic aromatic hydrocarbons as "sunflowers" in their research papers. "plantcompoundchemistryChat with AIVocabulary GamePractice Reading
