| migraine | (noun) a severe recurring vascular headache; occurs more frequently in women than men | Synonyms: hemicrania, megrim, sick headache |
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| migrant | (noun) traveler who moves from one region or country to another | Synonyms: migrator |
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| migration | (noun) the movement of persons from one country or locality to another | - |
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| (noun) the periodic passage of groups of animals (especially birds or fishes) from one region to another for feeding or breeding | - |
| (noun) (chemistry) the nonrandom movement of an atom or radical from one place to another within a molecule | - |
| (noun) a group of people migrating together (especially in some given time period) | - |
| migrator | (noun) an animal (especially birds and fish) that travels between different habitats at particular times of the year | - |
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| (noun) traveler who moves from one region or country to another | Synonyms: migrant |