periodic migration

См. также в других словарях:

• migration — migrational, adj. /muy gray sheuhn/, n. 1. the process or act of migrating. 2. a migratory movement: preparations for the migration. 3. a number or body of persons or animals migrating together. 4. Chem. a movement or change of position of atoms… …   Universalium

• migration — noun 1. the movement of persons from one country or locality to another (Freq. 2) • Derivationally related forms: ↑migrational, ↑migrate • Hypernyms: ↑motion, ↑movement, ↑move • …   Useful english dictionary

• periodic event — noun an event that recurs at intervals • Syn: ↑recurrent event • Hypernyms: ↑happening, ↑occurrence, ↑occurrent, ↑natural event • Hyponyms: ↑migratio …   Useful english dictionary

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• migratory — mi·gra·to·ry (miґgrə tor″e) 1. roving or wandering. 2. of, pertaining to, or characterized by migration; undergoing periodic migration …   Medical dictionary

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• Список крупнейших вулканических извержений — Извержение вулкана Пинатубо в 1991 году является крупнейшим в мире с 1912 года, но даже оно ничтожно по сравнению с извержениями в этом списке. Извержение вулкана это …   Википедия