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出典:Wiktionary
ground glass (countable かつ uncountable, 複数形 ground glasses)
出典:『Wiktionary』 (2017/04/20 14:05 UTC 版)
ground-glass (uncountable)
出典:Wikipedia
出典:『Wikipedia』 (2011/04/24 22:44 UTC 版)
Ground glass is glass whose surface has been ground to produce a flat but rough (matte) finish.
ground glass