a needle for cutting tissue by means of a high-frequency electric current.
a measure of the sharpness with which a film can reproduce the edge of an object. noun a physical rather than subjective measure of the sharpness of a photographic image
sharp or severe in effect; intense: acute sorrow; an acute pain. extremely great or serious; crucial; critical: an acute shortage of oil. (of disease) brief and severe (opposed to ). sharp or penetrating in intellect, insight, or perception: an acute observer. extremely sensitive even to slight details or impressions: acute eyesight. sharp at the end; […]
- Acute abdomen
acute abdomen acute abdomen n. A serious condition within the abdomen characterized by sudden onset, pain, tenderness, and muscular rigidity, and usually requiring emergency surgery. Also called surgical abdomen.
- Acute adrenocortical insufficiency
acute adrenocortical insufficiency acute adrenocortical insufficiency n. A severe phase or attack of a chronic adrenocortical disorder such as Addison’s disease, characterized by insufficient amounts of the adrenocortical hormones and resulting in nausea, vomiting, low blood pressure, and life-threatening imbalances in electrolytes. Also called addisonian crisis, adrenal crisis.