Acute angle
Acute A*cute", a. [L. acutus, p. p. of acuere to sharpen, fr. a root ak to be sharp. Cf. {Ague}, {Cute}, {Edge}.] 1. Sharp at the end; ending in a sharp point; pointed; -- opposed to {blunt} or {obtuse}; as, an acute angle; an acute leaf. [1913 Webster]

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. [1913 Webster]

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. [1913 Webster]

4. High, or shrill, in respect to some other sound; -- opposed to {grave} or {low}; as, an acute tone or accent. [1913 Webster]

5. (Med.) Attended with symptoms of some degree of severity, and coming speedily to a crisis; -- opposed to {chronic}; as, an acute disease. [1913 Webster]

{Acute angle} (Geom.), an angle less than a right angle. [1913 Webster]

Syn: Subtile; ingenious; sharp; keen; penetrating; sagacious; sharp-witted; shrewd; discerning; discriminating. See {Subtile}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Acute angle — Angle An gle ([a^][ng] g l), n. [F. angle, L. angulus angle, corner; akin to uncus hook, Gr. agky los bent, crooked, angular, a gkos a bend or hollow, AS. angel hook, fish hook, G. angel, and F. anchor.] 1. The inclosed space near the point where …   The Collaborative International Dictionary of English

  • acute angle — noun an angle less than 90 degrees but more than 0 degrees • Hypernyms: ↑oblique angle * * * acute angle noun An angle of less than 90º • • • Main Entry: ↑acute * * * acute angle UK US noun [countable] [ …   Useful english dictionary

  • acute angle — UK / US noun [countable] Word forms acute angle : singular acute angle plural acute angles maths an acute angle is less than 90 degrees See: obtuse angle …   English dictionary

  • acute angle —    An angle less than 90°. The first two of the angles below are obtuse. The third one is 90°, also called a right angle. Only the last of the four is an acute angle …   Glossary of Art Terms

  • acute angle — sharp angle, angle of less than 90 degrees …   English contemporary dictionary

  • Acute angle-closure glaucoma — Increased pressure in the front chamber (anterior chamber) of the eye due to sudden (acute) blockage of the normal circulation of fluid within the eye. The block takes place at the angle of the anterior chamber formed by its junction of the… …   Medical dictionary

  • Glaucoma, acute angle-closure — Increased pressure in the front chamber (anterior chamber) of the eye due to sudden (acute) blockage of the normal circulation of fluid within the eye. The block takes place at the angle of the anterior chamber formed by its junction of the… …   Medical dictionary

  • Acute — A*cute , a. [L. acutus, p. p. of acuere to sharpen, fr. a root ak to be sharp. Cf. {Ague}, {Cute}, {Edge}.] 1. Sharp at the end; ending in a sharp point; pointed; opposed to {blunt} or {obtuse}; as, an acute angle; an acute leaf. [1913 Webster] 2 …   The Collaborative International Dictionary of English

  • Angle — An gle ([a^][ng] g l), n. [F. angle, L. angulus angle, corner; akin to uncus hook, Gr. agky los bent, crooked, angular, a gkos a bend or hollow, AS. angel hook, fish hook, G. angel, and F. anchor.] 1. The inclosed space near the point where two… …   The Collaborative International Dictionary of English

  • Angle bar — Angle An gle ([a^][ng] g l), n. [F. angle, L. angulus angle, corner; akin to uncus hook, Gr. agky los bent, crooked, angular, a gkos a bend or hollow, AS. angel hook, fish hook, G. angel, and F. anchor.] 1. The inclosed space near the point where …   The Collaborative International Dictionary of English

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