Last Updated:2025/11/29
A glass bottle that has had its outside cooled slowly and its inside cooled rapidly. It has great external strength but is liable to shatter from a mere scratch on the inside.
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Bologna bottle
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Source Word
Bologna bottle
Noun
Japanese Meaning
外側をゆっくり、内側を急速に冷却することで形成されたガラス瓶。外側は非常に強固であるが、内側にわずかな傷がつくだけで割れやすいという特徴を持つ。
( plural )