underdamp

From under- +‎ damp.

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underdamp (third-person singular simple present underdamps, present participle underdamping, simple past and past participle underdamped)

1. To fail to sufficiently suppress vibrations in.
   • 1973, Popular Electronics - Volume 3, page 30:

     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.

   • 1975, High Fidelity - Volume 25, Issues 7-12, page 44:

     The arm may overdamp or underdamp slightly without causing problems, while still obtaining nearly all of damping's advantages.

   • 2010, Gregory Dudek, Michael Jenkin, Computational Principles of Mobile Robotics, →ISBN:

     Refine the controller so that the robot does not oscillate about the center of the hallway (do not underdamp the controller).

underdamp (countable and uncountable, plural underdamps)

1. An underlying dampness.
   • 1880, Thomas Meehan, Gardener's Monthly and Horticulturist - Volumes 22-26, page 78:

     The place where mushrooms grow should be free from underdamp and noxious vapors.

   • 1894, The Harvard Monthly - Volume 18, page 100:

     Through purple vistaed underdamps The ripe-heart roses shone for lamps.

   • 2008, Philip Quirke, Journey to the Shore, →ISBN, page 22:

     This spontaneous creation will melt into the underdamp unless a hot dry wind should suddenly rise and bake the pattern into a bed of cracked clay: