leakproofness
Etymology
From leakproof + -ness.
leakproofness means the quality of being leakproof. Lexicurio rates it Rare gem — a strength score of 82 out of 100.
noun
- The quality of being leakproof.“This means, of course, from 50 to 80 per cent. less friction, and as the maximum compression is obtained owing to the leakproofness, an increase in power is said to result from their use.”