discountable,a.|dɪˈskaʊntəb(ə)l| [f. discount v.1 + -able.] That may be discounted; in quot. 1800, within which a bill may be discounted. 1800T. Jefferson Writ. (1859) IV. 420 Within the discountable period.1802H. Thornton in Mill Pol.Econ. iii. xi. §4 Each is a discountable article.