obstruction


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Related to obstruction: obstruction of justice, intestinal obstruction, Bowel obstruction, esophageal obstruction

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 ?
Virtually no maintenance is required during the lifetime of the Avlite L-864 LED obstruction light, because Avlite leverages LED technology to reduce power consumption and costly maintenance.
When you watch rugby league games, there are a lot of tries disallowed when they go to the TMO (television match official) if there has been any obstruction ahead of the ball.
If these obstructions are to stay, double yellow lines are needed but the daftest one of all is one in Browns Lane on the side of the road as you are going uphill - just wait until we have some snow or ice and the driver needs to keep going uphill to keep the grip.
There was no statistically significant difference between the 2 groups: (1) with cystitis glandularis with upper urinary tract obstruction and (2) the group with cystitis glandularis alone (Table 1).
Dialight said that this generation of LED obstruction lighting also adds the red L-864 beacon that is 25% smaller and 22 lbs.
Patients' venographies were classified as non-significant obstruction (stenosis [less than or equal to] 70%, including normal venogram), significant obstruction (stenosis > 70%) and complete obstruction.
If the obstruction has not cleared, stand behind your child and put both arms around the upper part of the abdomen.
The small bowel is typically dilated due to an obstruction with collapse of the distal colon.
Their airway obstruction, which can be quite severe, is often precipitated by an acute viral infection with the viral-induced inflammation causing additional obstruction.
In contrast, the literature on the use of surgery for malignant bowel obstruction in patients with advanced cancer is exceedingly weak.