📐 Not sharp (geometry) 🩺 Not severe (medical)

nonacute

6.2

An angle or triangle that has one angle measuring at least 90 degrees

adjective
/nɒnəˈkjuːt/

Specialized

: no agudo

In geometry, a nonacute angle measures 90 degrees or more.

Examples

In geometry, a triangle is considered nonacute if it has at least one angle that measures 90 degrees or more.
The triangle is nonacute because it has one angle greater than 90 degrees.
In the diagram, the nonacute angle was clearly marked with a square symbol.
A triangle with a nonacute angle cannot be classified as an acute triangle.
The teacher asked the class to find a nonacute angle among the shapes on the board.
The nonacute angle in the shape was measured at 120 degrees, making it obtuse.
To identify a nonacute angle, look for angles that are right or larger in the given figure.

Antonyms

acute

4 4.8

Sharp in shape with an angle smaller than ninety degrees

How Acute

acute

4 4.8

nonacute

Specialized

6.2

obtuse

Specialized

1 5.4

Surface Forms

nonacute positive

Morphology

nonacute = acute (transparent) = non + acute

A straightforward negative prefix 'non-' applied to the adjective 'acute', yielding the literal meaning 'not acute'.

Etymology

Nonacute is made of the prefix non- meaning 'not' and acute meaning 'sharp', as in an acute angle. So a nonacute angle is simply one that is not sharp and is 90 degrees or larger.