What is the definition or description of: stress incontinence?

Urinary leakage: Stress incontinence is leakage of urine from the bladder when coughing, sneezing, bearing down, squatting...Ect.

SUI: Stress urinary incontinece is the involuntary loss of urine due to a sudden or sustained increase in abdominal pressure, such as from a cough, sneeze, laugh, or from going from sitting to standing, running or lifting.

It can be defined as: Stress urinary incontinence can be defined as a urine-leaking anatomical disorder of patient's inability to coherently generate sufficient closing pressure / resistance in the sphincter segment of urethra to overcome a sudden increase of pressure inside abdomen/bladder from cough, sneeze, jump, lifting, other vigorous physical activities, etc. The cause of this weakness may include aging, surgery.