Third-person singular simple present indicative form of outfrown
sunflower
sunflower
noun
(informal, organic chemistry) Any flat, radially symmetric organic compound such as coronene
A bright yellow, like that of the flower petals.
Any 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 commonly cultivated species, Helianthus annuus, a native of America.