hellproof
adjEtymology From hell + -proof.
1
Resistant to hell.
- A short while after we had published our early experiments with quartz glass, a man in Southern Virginia wrote to suggest that there might be mutual profit for him and for me if we would consider making silica-glass coffins which, he said, ought to be hellproof.1936, American Society for Testing and Materials, Proceedings, volume 36, number 2, page 9: