Longman Dictionary of Contemporary English homepage

Date: 1600-1700
Language: Greek
Origin: amphibios 'living a double life', from amphi- 'round, on both sides, both' + bios 'way of life'

amphibious

 adjective
     
Related topics: Animals
am‧phib‧i‧ous
1HBA able to live on both land and water:
amphibious creatures
2

amphibious vehicle

TTW a vehicle that is able to move on both land and water
3

amphibious operation/force/assault

PM an amphibious operation etc involves both sea and land vehicles
Definition from the Longman Dictionary of Contemporary English
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