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quinoxaline

[ kwi-nok-suh-leen, -lin ]
/ kwɪˈnɒk səˌlin, -lɪn /
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noun Chemistry.

a colorless, crystalline, water-soluble powder, C8H6N2, used chiefly in organic synthesis.

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QUIZ YOURSELF ON AFFECT VS. EFFECT!

In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
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The rainy weather could not ________ my elated spirits on my graduation day.
Also quin·ox·a·lin [kwi-nok-suh-lin]. /kwɪˈnɒk sə lɪn/.

Origin of quinoxaline

1880–85; quin(ine) + (gly)oxal + -ine2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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