Akademik

con|stric|tion
con|stric|tion «kuhn STRIHK shuhn», noun.
1. the act of drawing together; compression; contraction.
2. a feeling of tightness; constricted condition: »

He coughed and complained of a constriction in his chest.

3. a constricted part.
4. something that constricts.

Useful english dictionary. 2012.