英语词汇“alizarin”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

alizarin

/əˈlɪz(ə)rɪn

noun [mass noun] Chemistry

1A red pigment present in madder root, used in dyeing.

Chemical formula: C₁₄H₈O₄.

Indigo is now derived from naphthalene, and anthracene yields alizarin, the dye formerly obtained from madder root....

The synthesis of alizarin stands as a landmark in molecule making for two reasons.
Red lakes made from synthetic alizarin became common alongside the lakes derived from natural madder dyes.

1.1 [as modifier] Denoting dyes derived from or similar to alizarin: alizarin crimson...

These works combined several shades of white paint in built-up layers of greasy petal-like strokes that were punctuated with dots of ultramarine or alizarin crimson.
His palette drew from nature: heavy, dense ochers, browns, taupes and alizarin crimson.
The left side of this work is mysterious, with black marks floating on a field of alizarin crimson.

Origin

Mid 19th century: from French alizarine, from alizari 'madder', from Arabic al-‘iṣāra 'pressed juice', from ‘aṣara 'to press fruit'.

单词	alizarin
释义	alizarin /əˈlɪz(ə)rɪn / noun [mass noun] Chemistry 1A red pigment present in madder root, used in dyeing. Chemical formula: C₁₄H₈O₄. Indigo is now derived from naphthalene, and anthracene yields alizarin, the dye formerly obtained from madder root.... The synthesis of alizarin stands as a landmark in molecule making for two reasons. Red lakes made from synthetic alizarin became common alongside the lakes derived from natural madder dyes. 1.1 [as modifier] Denoting dyes derived from or similar to alizarin: alizarin crimson... These works combined several shades of white paint in built-up layers of greasy petal-like strokes that were punctuated with dots of ultramarine or alizarin crimson. His palette drew from nature: heavy, dense ochers, browns, taupes and alizarin crimson. The left side of this work is mysterious, with black marks floating on a field of alizarin crimson. Origin Mid 19th century: from French alizarine, from alizari 'madder', from Arabic al-‘iṣāra 'pressed juice', from ‘aṣara 'to press fruit'.
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