ALL meanings of imperceptibility
im·per·cep·ti·ble
I i - noun imperceptibility The state or quality of being imperceptible. 1
- adjective imperceptibility very slight, gradual, or subtle: the imperceptible slope of the road. 1
- adjective imperceptibility not perceptible; not perceived by or affecting the senses. 1
- noun imperceptibility something not capable of being perceived by the senses: metaphysical speculation about imperceptibles. 1