all tubing should be cleared of obstructive algae and detritus
Of or relating to obstruction of a passage in the body, esp. the intestines or the bronchi
the child developed severe obstructive symptoms
Causing or tending to cause deliberate difficulties and delays
instead of being helpful, she had been a shade obstructive
clogging: preventing movement; "the clogging crowds of revelers overflowing into the street"
(obstructively) in an obstructive manner; "he acted very obstructively when we tried to carry out our project"
(obstruction) any structure that makes progress difficult
(obstruction) obstacle: something immaterial that stands in the way and must be circumvented or surmounted; "lack of imagination is an obstacle to one's advancement"; "the poverty of a district is an obstacle to good education"; "the filibuster was a major obstruction to the success of their plan"
(obstruction) getting in someone's way
(Obstruction (baseball)) In baseball, when a fielder illegally hinders a baserunner, the fielder is guilty of obstruction .
(Obstruction) When the batsman wilfully blocks or distracts a fielder to prevent a catch being made or a run-out being effected
(Obstruction) An object that a boat could not pass without changing course substantially, if she were sailing towards it and one of her hull lengths from it. An object that can be safely passed on only one side and an area so designated by the sailing instructions are also obstructions. ...
(obstruction) blockage in the GI tract that prevents the flow of liquids or solids.
(Obstruction) A blockage that occurs in the small or large intestine, which obstructs the contents from passing through.
(OBSTRUCTION) is the act of a fielder who, while not in possession of the ball and not in the act of fielding the ball, impedes the progress of any runner. ...
(Obstruction [Flood]) Any dam, wall, wharf, embankment, levee, dike, pile, abutment, projection, excavation, channel bridge, conduit, culvert, building, wire, fence, rock, gravel, refuse, fill, structure or matter in, along, across or projecting into any channel, watercourse, or regulatory flood ...
(Obstruction) Illegally preventing an opponent from playing the ball by blocking their path to the ball. Results in an indirect free kick.
(obstruction) any object that penetrates a specified surface. An object that penetrates a supplemental surface is a supplemental obstruction. The most obstructing object in a set of objects is the one that penetrates an imaginary surface further than any other object in the set
(Obstruction) Scarring from ulcers can block flow through the stomach and/or duodenum. This can cause repeated vomiting, weight loss, and intense pain.
An obstruction is anything which is artificial (including the artificial surfaces and sides of roads and paths and manufactured ice) except:
(obstruction) Blockage of a passageway.
(Obstruction) when a defensive player, instead of going after the ball, uses his body to prevent an offensive player from playing it.
((solar) obstruction) anything outside a building which prevents the direct view of part of the sky (distant-, middle-, and near-field obstructions treated separately)
(OBSTRUCTION) This is a foul that is called on a player who does not have the ball and uses his body to block a player on the other team. An indirect kick is awarded to the other team. Also referred to as Impeeding the opponent.
(Obstruction) A blockage - such as a blockage of the intestine. This could be due to a range of conditions such as narrowing because of scar tissue or a tumour growing and blocking the intestine. It can result in symptoms such as pain and distension of the abdomen and vomiting. ...
(Obstruction) Also called blocking. Where a player gets in the way of an opponent who is chasing after the ball. This results in a penalty.
(Obstruction) An object such as a wreck, net, etc., which blocks a fairway, route, etc.
(Obstruction) An offence whereby one player judged not to be in possession prevents another player from obtaining the ball by unfairly blocking them off
(Obstruction) Any object or feature that lies completely or partially within the cross section of the microtunnel and prevents continued forward progress.