n. A person much given to melancholy; a hypochondriac. I. Disraeli. [ 1913 Webster ]

{ } a. [ LL. atrabilarius, fr. L. atra bilis black bile: cf. F. atrabilaire, fr. atrabile. ] Affected with melancholy; atrabilious. Arbuthnot. [ 1913 Webster ]

a. Melancholy; atrabilious. [ 1913 Webster ]

a. 1. Of or pertaining to atra bilis or black bile, a fluid formerly supposed to be produced by the kidneys. [ 1913 Webster ]

2. Melancholic or hypohondriac; atrabilious; -- from the supposed predominance of black bile, to the influence of which the ancients attributed hypochondria, melancholy, and mania. [ 1913 Webster ]

Atrabiliary arteries,
capsules, and
veins (Anat.), those pertaining to the kidney; -- called also renal arteries, capsules, and veins. [ 1913 Webster ]

a. Melancholic or hypochondriac; atrabiliary. Dunglision. [ 1913 Webster ]

A hard-faced, atrabilious, earnest-eyed race. Lowell. [ 1913 Webster ]

He was constitutionally atrabilious and scornful. Froude. [ 1913 Webster ]

n. The quality of being demonstrable; demonstrableness. [ 1913 Webster ]

n. [ Cf. F. impénétrabilité. ] 1. Quality of being impenetrable. [ 1913 Webster ]

2. (Physics) That property in virtue of which two portions of matter can not at the same time occupy the same portion of space. [ 1913 Webster ]

3. Insusceptibility of intellectual or emotional impression; obtuseness; stupidity; coldness. [ 1913 Webster ]

n. The quality of being indemonstrable. [ 1913 Webster ]

n. [ Cf. F. pénétrabilité. ] The quality of being penetrable; susceptibility of being penetrated, entered, or pierced. Cheyne. [ 1913 Webster ]

n. (Med.) Strabismus. [ 1913 Webster ]

n. [ Strabismus + -meter. ] (Med.) An instrument for measuring the amount of strabismus. [ 1913 Webster ]

n. [ NL., fr. Gr. &unr_;, fr. &unr_; to squint, fr. &unr_; distorted, squinting. ] (Med.) An affection of one or both eyes, in which the optic axes can not be directed to the same object, -- a defect due either to undue contraction or to undue relaxation of one or more of the muscles which move the eyeball; squinting; cross-eye. [ 1913 Webster ]