Păl'pa-ble, a.

adjective

a. [Fr., Pr., & Sp. palpable, It. palpabile, Lat. palpabilis. See supra.]

  1. Perceptible by the touch; capable of being felt; as, a palpable substance; palpable darkness.
  2. Easily perceptible; plain; obvious; readily perceived and detected; gross; as, palpable phenomena; a palpable absurdity; palpable errors.

Palpable arithmetic, arithmetic taught or performed by the sense of touch, as in the case of the blind.