an epithet applied to such things as terminate in a sharp point or edge. And in this sense it stands opposed to obtuse.

ACUTE Angle, in Geometry, is that which is less than a right angle, or which does not subtend 90 degrees.

ACUTE-angled Triangle, is a triangle whose three angles are all acute.

ACUTE-angled Cone, is, according to the ancients, a right cone, whose axis makes an acute angle with its side.

in Music, is applied to a sound or tone that is sharp or high in comparison of some other tone. In this sense, acute stands opposed to grave.

ACUTE Accent. See ACCENT.

ACUTE Disease, such as come suddenly to a crisis. This term is used for all diseases which do not fall under the head of chronic diseases.