underdamp means an underlying dampness. Lexicurio rates it Sui generis — a strength score of 88 out of 100.
Etymology
From under- + damp.
noun
- An underlying dampness.“The place where mushrooms grow should be free from underdamp and noxious vapors.”
verb
- To fail to sufficiently suppress vibrations in.“Tube amplifiers, by and large, tend to underdamp most modern loudspeakers, and although the richly liquid quality of their bass is very pleasing, the net result with some dynamic speakers may prove to be a somewhat floppy low end.”