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a strict isolation imposed to prevent the spread of disease.

a period, originally 40 days, of detention or isolation imposed upon ships, persons, animals, or plants on arrival at a port or place, when suspected of carrying some infectious or contagious disease.

a system of measures maintained by governmental authority at ports, frontiers, etc., for preventing the spread of disease.

the branch of the governmental service concerned with such measures.

a place or station at which such measures are carried out, as a special port or dock where ships are detained.

the detention or isolation enforced.

the place, especially a hospital, where people are detained.

a period of 40 days.

social, political, or economic isolation imposed as a punishment, as in ostracizing an individual or enforcing sanctions against a foreign state.

to put in or subject to quarantine.

to exclude, detain, or isolate for political, social, or hygienic reasons.