[ imp-suh-nahyt ]
/ ˈɪmp səˌnaɪt /
a black variety of asphaltite with a jagged fracture.
- improvised explosive device,
Origin of impsonite
1900–05; named after Impson, valley in Oklahoma; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019