migration

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. the movement of persons from one country or locality to another (Freq. 2)
• Derivationally related forms:
migrational, migrate
• Hypernyms:
motion, movement, move
• Hyponyms:
emigration, out-migration, expatriation, immigration, in-migration, gold rush
2. a group of people migrating together (especially in some given time period)
• Derivationally related forms:
migrate
• Hypernyms:
people
3. (chemistry) the nonrandom movement of an atom or radical from one place to another within a molecule
• Topics:
chemistry, chemical science
• Hypernyms:
event
4. the periodic passage of groups of animals (especially birds or fishes) from one region to another for feeding or breeding
• Derivationally related forms:
migrational, migrate
• Hypernyms:
periodic event, recurrent event