small porous bowl made of bone ash used in assaying to separate precious metals from e
bone ash
Турецкое произношение
bōn äş
Произношение
/ˈbōn ˈasʜ/ /ˈboʊn ˈæʃ/
Этимология
[ 'bOn ] (noun.) before 12th century. Middle English bon, from Old English bAn; akin to Old High German & Old Norse bein bone, and perhaps to Old Irish benaid he hews.