Science and technology
* Acute angle ** Acute triangle ** Acute, a leaf shape in the glossary of leaf morphology * Acute (medicine), a disease that it is of short duration and of recent onset. ** Acute toxicity, the adverse effects of a substance from a single exposure or in a short period of timeLinguistics
*See also
* Acutance: in photography, a subjective perception of sharpness related to the edgecontrast of an image {{disambiguation