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hellproof. In DICTIOUS you will not only get to know all the dictionary meanings for the word
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hellproof you have here. The definition of the word
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English
Etymology
From hell + -proof.
Adjective
hellproof (comparative more hellproof, superlative most hellproof)
- Resistant to hell.
1936, American Society for Testing and Materials, Proceedings, volume 36, number 2, page 9: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.