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eprouvette (plural eprouvettes)
- A one-piece, fixed-elevation mortar formerly used to test the strength of gunpowder.
- 2009 June 10, Dwight Garner, “For Those Who Like Danger, the Home Book of Things Not to Try at Home”, in New York Times:
- From there, he’s on to making things like fuses, rockets and an eprouvette, or small cannon.