obstruction

(redirected from Chronic airway obstruction)
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Related to Chronic airway obstruction: COPD, Chronic obstructive lung disease

obstruction

Politics delay of business, esp in a legislature by means of procedural devices

obstruction

[əb′strək·shən]
(medicine)
Occlusion or stenosis of hollow viscera, ducts, and vessels.
(navigation)
Anything that hinders or prevents movement, particularly anything that endangers or prevents passage of a vessel or aircraft; usually refers to an isolated danger to navigation, such as a submerged rock or pinnacle in the case of marine navigation, and a tower, tall building, mountain peak, and so forth, in the case of air navigation.

obstruction

obstruction
Obstructions are marked by orange and white colours as well as by lights.
An existing object, object of natural growth, or terrain that is hazardous to an aircraft if the obstruction is on or near the runway or in the flight path. For purposes of certification, an object becomes an obstruction if its height is 35 ft (10.7 m) or 50 ft (15 m).
References in periodicals archive ?
For specific diseases, blacks had a 14% higher YPLL rate for lung cancer, 35% higher rate for ischemic heart disease, and 38% lower rate for chronic airway obstruction than whites.
physicians for the 14 months ending in October 2002, patients diagnosed with pneumonia, chronic airway obstruction, and skin infection had the highest incidence of comorbid diabetes, renal insufficiency, and hepatic insufficiency.
deaths from lung and larynx cancer, heart disease, circulatory disorders, pneumonia, influenza, bronchitis, emphysema, and chronic airway obstruction, not to mention deaths of infants whose mothers smoked while pregnant and of non-smokers through passive smoking.

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