hyemal
(organic chemistry) Any lignan having an additional ring
Obsolete spelling of hiemal
(obsolete, organic chemistry) sulphocyanic acid; an acid that forms a red colour with ferric salts.
plural of urbanology
冬の風が荒涼とした荒野を吹き抜け、これから訪れる長く灰色の季節を告げた。
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