A*ton"ic, n. 1. (Gram.) A word that has no accent.
2. An element of speech entirely destitute of vocality, or produced by the breath alone; a nonvocal or surd consonant; a breathing. Rush.
3. (Med.) A remedy capable of allaying organic excitement or irritation. Dunglison.
At"o*ny (&?;), n. [Gr. &?; slackness; 'a priv. + &?; tone, strength, &?; to stretch: cf. F. atonie.] (Med.) Want of tone; weakness of the system, or of any organ, especially of such as are contractile.
A*top" (&?;), adv. On or at the top. Milton.
{ At`ra*bi*la"ri*an (&?;), At`ra*bi*la"ri*ous (&?;), } a. [LL. atrabilarius, fr. L. atra bilis black bile: cf. F. atrabilaire, fr. atrabile.] Affected with melancholy; atrabilious. Arbuthnot.
At`ra*bi*la"ri*an, n. A person much given to melancholy; a hypochondriac. I. Disraeli.
At`ra*bil"iar (&?;), a. Melancholy; atrabilious.
At`ra*bil"ia*ry (&?;), a. 1. Of or pertaining to atra bilis or black bile, a fluid formerly supposed to be produced by the kidneys.
2. Melancholic or hypohondriac; atrabilious; -- from the supposed predominance of black bile, to the influence of which the ancients attributed hypochondria, melancholy, and mania.
Atrabiliary arteries, capsules, and veins (Anat.), those pertaining to the kidney; -- called also renal arteries, capsules, and veins.
At`ra*bil"ious (&?;), a. Melancholic or hypochondriac; atrabiliary. Dunglision.
A hard-faced, atrabilious, earnest-eyed race.
Lowell.
He was constitutionally atrabilious and scornful.
Froude.
At`ra*men*ta"ceous (&?;), a. [L. atramentum ink, fr. ater black.] Black, like ink; inky; atramental. [Obs.] Derham.
{ At`ra*men"tal (&?;), At`ra*men"tous (&?;), } a. Of or pertaining to ink; inky; black, like ink; as, atramental galls; atramentous spots.
At`ra*men*ta"ri*ous (&?;), a. [Cf. F. atramentaire. See Atramentaceous.] Like ink; suitable for making ink. Sulphate of iron (copperas, green vitriol) is called atramentarious, as being used in making ink.