单词 | violaxanthin |
释义 | violaxanthin/ˌvʌɪələˈzanθɪn/Biochemistry noun A xanthophyll pigment widely distributed in plant chloroplasts, where it is involved in biochemical responses to excessive light levels, and present as a yellow colouring in flowers such as daffodils and yellow pansies.
Origin1930s; earliest use found in Chemical Abstracts. From viola + xanthin, after German Viola-xanthin. |
随便看 |
英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。