(A*cu"mi*nous) a. Characterized by acumen; keen. Highmore.
(Ac`u*pres"sure) n. [L. acus needle + premere, pressum, to press.] (Surg.) A mode of
arresting hemorrhage resulting from wounds or surgical operations, by passing under the divided vessel
a needle, the ends of which are left exposed externally on the cutaneous surface. Simpson.
(Ac`u*punc`tu*ra"tion) n. See Acupuncture.
(Ac`u*punc"ture) n. [L. acus needle + punctura a pricking, fr. pungere to prick: cf. F.
acuponcture.] Pricking with a needle; a needle prick. Specifically (Med.): The insertion of needles into
the living tissues for remedial purposes.
(Ac`u*punc"ture) v. t. To treat with acupuncture.
(A*cus"tum*aunce) n. See Accustomance. [Obs.]
(A*cut"an`gu*lar) a. Acute- angled.
(A*cute") a. [L. acutus, p. p. of acuere to sharpen, fr. a root ak to be sharp. Cf. Ague, Cute,
1. Sharp at the end; ending in a sharp point; pointed; opposed to blunt or obtuse; as, an acute angle; an
2. Having nice discernment; perceiving or using minute distinctions; penetrating; clever; shrewd; opposed
to dull or stupid; as, an acute observer; acute remarks, or reasoning.
3. Having nice or quick sensibility; susceptible to slight impressions; acting keenly on the senses; sharp; keen; intense; as,
a man of acute eyesight, hearing, or feeling; acute pain or pleasure.
4. High, or shrill, in respect to some other sound; opposed to grave or low; as, an acute tone or
5. (Med.) Attended with symptoms of some degree of severity, and coming speedily to a crisis; opposed
to chronic; as, an acute disease.
Acute angle (Geom.), an angle less than a right angle.
Syn. Subtile; ingenious; sharp; keen; penetrating; sagacious; sharp-witted; shrewd; discerning; discriminating.
(A*cute"), v. t. To give an acute sound to; as, he acutes his rising inflection too much. [R.] Walker.
(A*cute"-an`gled) a. Having acute angles; as, an acute-angled triangle, a triangle with
every one of its angles less than a right angle.
(A*cute"ly), adv. In an acute manner; sharply; keenly; with nice discrimination.
1. The quality of being acute or pointed; sharpness; as, the acuteness of an angle.