e/Eprouvette

Information
has gloss	eng: An Eprouvette is a one piece, fixed elevation mortar used to test the strength of gunpowder. It went out of general use by the middle of the 19th century. In use, a carefully weighed quantity of powder (charge) was placed inside, followed by a standard weight shot. The charge was fired and the distance the shot flew was measured and compared to the expected standard distance.
lexicalization	eng: Eprouvette
instance of	c/Trial and research firearms

Meaning
Japanese
has gloss	jpn: イプロゥヴェト試験（イプロゥヴェトしけん、Eprouvette test）は、フランスで発明され17世紀から19世紀まで欧米各国で用いられていた火薬類の性能試験の一種。フランスでは無煙火薬が一般化するまで黒色火薬の性能を判定して等級付けをするために用いられ欧米各国でも採用されていた。
lexicalization	jpn: イプロゥヴェト試験