noun🔗Shareヒマワリ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 sunflowers in Grandma's garden are a beautiful sight, with their large, yellow flower heads. "おばあちゃんの庭のヒマワリは、大きく黄色い花頭が美しい光景です。plantnatureappearancevegetablebiologyagricultureChat with AIVocabulary GamePractice Reading
noun🔗Shareヒマワリの花びらのように明るい黄色A bright yellow, like that of the flower petals."The little girl drew a picture of a field filled with sunflowers reaching for the sun. "小さな女の子は、太陽に向かって伸びるヒマワリでいっぱいの野原の絵を描きました。plantcolornatureChat with AIVocabulary GamePractice Reading
noun🔗ShareヒマワリAny 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. "コロナンや他の放射状対称有機化合物との構造的類似性から、科学者は研究論文の中で、大きな多環芳香族炭化水素を冗談めかして「ヒマワリ」と呼んでいます。plantcompoundchemistryChat with AIVocabulary GamePractice Reading