The sound was nearly inaudible but both stopped and listened attentively.
Before Dean could answer, there was an almost inaudible knock at the door.
"Allow me to look at your purse," he said in a low, almost inaudible, voice.
Should be inaudible by an ear placed in the water.
If a tuning-fork in vibration be turned round before the ear, four positions will be found in which A B it will be inaudible, owing to the mutual interference FIG.
MUSIC OF THE SPHERES, in Pythagorean philosophy, the harmony produced by the heavenly bodies in their orbits, inaudible to human ears.
Among his other papers may be mentioned those dealing with the formation of fairy rings (1807), a synoptic scale of chemical equivalents (1814), sounds inaudible to ordinary ears (1820), the physiology of vision (1824), the apparent direction of the eyes in a portrait (1824) and the comparison of the light of the sun with that of the moon and fixed stars (1829).
If an ear-trumpet is placed at the focus of the second mirror the ticking may be heard easily, though it is quite inaudible by direct waves.
Maybe it was the near-inaudible buzz or the rain on the roof, or my imagination, by I actually napped, for about twenty minutes.