Obstruction

Obstruction is the act of blocking or impeding some performance

Obstruction theory, in mathematics
Obstruction of justice, the crime of interfering with law enforcement
Obstructing government administration
Propagation path obstruction
Single Vegetative Obstruction Model

Medical

Obstructive jaundice
Obstructive sleep apnea
Airway obstruction, a respiratory problem
Recurrent airway obstruction
Bowel obstruction, a blockage of the intestines.
Gastric outlet obstruction
Distal intestinal obstruction syndrome
Congenital lacrimal duct obstruction

Sports

Obstruction (baseball), when a fielder illegally hinders a baserunner
Obstructing the field

Other

The Five Obstructions, a 2003 film
Obstruction Island (Washington)
Emergency Workers (Obstruction) Act 2006

Translation of "Obstruction"

German: Obstruktion, Norwegian (Bokmål): Obstruksjon, Russian: Обструкция.