ball clay
(anatomy) Around the testicles.
(idiomatic) There is no danger; one can freely pass through a region without risk of discovery.
(organic chemistry) A salt of loganic acid.
A type of clay that commonly consists of 20-80% kaolinite, 10-25% mica, and 6-65% quartz.
陶芸家は可塑性を高めるためにストーンウェア粘土にカオリナイトを多く含む粘土を混ぜることを好んだ。この粘土は通常カオリナイト20~80%、雲母10~25%、石英6~65%を含む。
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DiQt
Free
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