English
rackarock
From rack + a + rock; see rack (“to stretch or strain”).
Proto-Indo-European *h₁óynos ‘one’
Proto-Germanic *ainaz ‘one’
Proto-West Germanic *ain ‘one’
Old English ān ‘one; a certain’
Middle English a
English a
Today it means
noun An explosive consisting of potassium chlorate and mononitrobenzene.
Sources
Sources: Wiktionary, “rackarock”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / rackarock