Perceptible \Per*cep"ti*ble\, a. [L. perceptibilis: cf. F. perceptible. See {Perceive}.] Capable of being perceived; cognizable; discernible; perceivable. With a perceptible blast of the air. --Bacon. -- {Per*cep"ti*ble*ness}, n. -- {Per*cep"ti*bly}, adv.