ACUSTUMAUNCE
A*cus"tum*aunce, n.
Defn: See Accustomance. [Obs.]
ACUTANGULAR
A*cut"an`gu*lar, a.
Defn: Acute-angled.
ACUTE A*cute", a. Etym: [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.
2. Having nice discernment; perceiving or using minute distinctions; penetrating; clever; shrewd; — opposed to Ant: dull or Ant: 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 accent.
5. (Med.)