hellproof en · ADJ
Etymology
From hell + -proof.
Meanings
-
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:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| more hellproof | Degree=Cmp | lexicographic | |
| most hellproof | Degree=Sup | lexicographic |