sunflower

EnglishEdit

 
a sunflower - Helianthus annuus

EtymologyEdit

From sun +‎ flower. Compare English sunbloom.

PronunciationEdit

NounEdit

sunflower (plural sunflowers)

  1. 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.
    1. The commonly cultivated species, Helianthus annuus, a native of America.
  2. A bright yellow, like that of the flower petals.
    sunflower:  
  3. (informal, organic chemistry) Any flat, radially symmetric organic compound such as coronene

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