свиване означава в английски

clench▼(tight grip)
noun
[UK: klentʃ] [US: ˈklentʃ]

compression [compressions]▼(the act of compressing)
noun
[UK: kəm.ˈpreʃ.n̩] [US: kəm.ˈpreʃ.n̩]

constriction [constrictions]▼(the act of narrowing)
noun
[UK: kən.ˈstrɪk.ʃn̩] [US: kən.ˈstrɪk.ʃn̩]

contraction [contractions]▼(reversible reduction in size)
noun
[UK: kən.ˈtræk.ʃn̩] [US: kən.ˈtræk.ʃn̩]

stricture [strictures]▼((medicine) abnormal narrowing of a canal or duct in the body)
noun
[UK: ˈstrɪk.tʃə(r)] [US: ˈstrɪk.tʃər]

miosis [mioses]▼(contraction of the pupil of the eye)
noun
[UK: mɪˈəʊsɪs] [US: mɪˈoʊsɪs]