eprouvette
noun
eprou·vette
¦āˌprü¦vet
plural -s
: an apparatus (such as a mortar) formerly used for testing the strength of gunpowder
Word History
Etymology
French éprouvette, from éprouver to test, try (from Old French esprover, from—assumed—Vulgar Latin exprobare, from Latin ex- + probare to try, approve, prove) + -ette