Meaning of OBSTRUCTION in English

OBSTRUCTION

/ əbˈstrʌkʃn; NAmE / noun

1.

[ U , C ] the fact of trying to prevent sth/sb from making progress :

the obstruction of justice

He was arrested for obstruction of a police officer in the execution of his duty.

2.

[ U , C ] the fact of blocking a road, an entrance, a passage, etc. :

obstruction of the factory gates

The abandoned car was causing an obstruction.

3.

[ C ] something that blocks a road, an entrance, etc. :

It is my job to make sure that all pathways are clear of obstructions.

4.

[ C , U ] something that blocks a passage or tube in your body; a medical condition resulting from this

SYN blockage :

He had an operation to remove an obstruction in his throat.

bowel / intestinal obstruction

5.

[ U ] ( sport ) the offence of unfairly preventing a player of the other team from moving to get the ball

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WORD ORIGIN

mid 16th cent.: from Latin obstructio(n-) , from the verb obstruere , from ob- against + struere build, pile up.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.