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

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

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

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

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

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.