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coarctation

noun

1 coarctation

Tight or narrow compression.

synonym: constriction.

Roget 36: decrease, diminution; lessening etc. v.; subtraction etc. 38; reduction, abatement, declension; shrinking etc. (contraction.) ... show more

Roget 195: contraction, reduction, diminution; decrease of size etc. 36; defalcation, decrement; lessening, shrinking etc. v.; compaction; ... show more

Roget 203: narrowness etc. adj.; closeness, exility; exiguity etc. (little) 193.    line; hair's breadth, finger's breadth; strip, streak, ... show more

Roget 706: prevention, preclusion, obstruction, stoppage; embolus, embolism [Med.]; infarct [Med.]; interruption, interception, interclusion; hindrance, impedition; retardment, ... show more

Roget 751: restraint; hindrance etc. 706; coercion etc. (compulsion) 744; cohibition, constraint, repression, suppression; discipline, control.    ... show more

2 coarctation

biology A narrowing or constriction of a vessel or canal; especially a congenital narrowing of the aorta.


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