IMPSONITE
Meaning of IMPSONITE in English
/imp"seuh nuyt'/ , n.
a black variety of asphaltite with a jagged fracture.
[ 1900-05; named after Impson, valley in Oklahoma; see -ITE 1 ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012