Found 1 items, similar to Rackarock.
English → English (gcide) Definition: Rackarock Rackarock \Rack"a*rock`\ (r[a^]k"[.a]*r[o^]k`), n. [Rack to stretch, strain + a + rock.] A Sprengel explosive consisting of potassium chlorate and mono-nitrobenzene. [Webster 1913 Suppl.]