12 letters · 27 points in Scrabble
noun a mixture of oxygen and acetylene; used to create high temperatures for cutting or welding metals
originEtymology tree Proto-Indo-European *h₂eḱ-der.? Ancient Greek ὀξῠ́ς (oxŭ́s)bor. English oxy- French acétylènebor. English acetylene English oxyacetylene From oxy- + acetylene.
Etymology from Wiktionary, CC BY-SA 3.0