double-base

We'll have half an hour or so of this stuff "-- Herkimer knew that to the quivering, sensitive, highly imaginative girl his words would be practically as punishing as the atrocious actualities themselves --" then I'll do things to your finger-nails and toe-nails, beginning with burning slivers of double-base flare powder and working up.

First Lensman Smith, E. E. 1950

The device consisted of two parts: a triple-banded metal collar with four keyholes and a three-digit combination lock, and an iron box containing two 6-inch pipe bombs loaded with double-base smokeless powder.

Yahoo! News: Business - Opinion 2011

The device consisted of two parts: a triple-banded metal collar with four keyholes and a three-digit combination lock, and an iron box containing two 6-inch pipe bombs loaded with double-base smokeless powder.

Wired Top Stories Rich Schapiro 2011

Propellants based on nitrocellulose or nitroglycerine were described as "single-base" powder; others containing both were described as "double-base"; and a third category containing nitrocellulose, nitroglycerine, and other chemicals was called "triple-base" or "multiple-base."

Citizendium, the Citizens' Compendium - Recent changes [en] 2008