infirmity
131Contradistinction — Con tra*dis*tinc tion, n. Distinction by contrast. [1913 Webster] That there are such things as sins of infirmity in contradistinction to those of presumption is not to be questioned. South. [1913 Webster] …
132Daltonism — Dal ton*ism, n. Inability to perceive or distinguish certain colors, esp. red; color blindness. It has various forms and degrees. So called from the chemist Dalton, who had this infirmity. Nichol. [1913 Webster] …