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amphibious

[am-fib-ee-uh s] /æmˈfɪb i əs/
adjective
1.
living or able to live both on land and in water; belonging to both land and water.
2.
Also, amphibian. capable of operating on both land and water:
amphibious vehicles.
3.
of or relating to military operations by both land and naval forces against the same object, especially to a military attack by troops landed by naval ships.
4.
trained or organized to fight, or fighting, on both land and sea:
amphibious troops.
5.
combining two qualities, kinds, traits, etc.; of or having a mixed or twofold nature.
Origin of amphibious
1635-1645
1635-45; < Latin amphibius < Greek amphíbios living a double life. See amphi-, bio-, -ous
Related forms
amphibiously, adverb
amphibiousness, noun
nonamphibious, adjective
nonamphibiously, adverb
nonamphibiousness, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for amphibious
Contemporary Examples
Historical Examples
  • Those which could not climb and were not amphibious he placed in a cave, and closed and sealed it with wax.

  • Seals of amphibious nature, are either for the land or water.

    Orthography Elmer W. Cavins
  • For the elevator is an amphibious institution, and flourishes only on the banks of navigable waters.

  • But I well knew that these amphibious monsters can far outswim a man.

    Ran Away to Sea Mayne Reid
  • The lances used by them were pointed with the teeth of these amphibious animals.

British Dictionary definitions for amphibious

amphibious

/æmˈfɪbɪəs/
adjective
1.
able to live both on land and in the water, as frogs, toads, etc
2.
designed for operation on or from both water and land
3.
relating to military forces and equipment organized for operations launched from the sea against an enemy shore
4.
having a dual or mixed nature
Derived Forms
amphibiously, adverb
amphibiousness, noun
Word Origin
C17: from Greek amphibios, literally: having a double life, from amphi- + bios life
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for amphibious
adj.

1640s, from Greek amphibios "having a double life" (see amphibian). Of motor vehicles, from 1915.

Online Etymology Dictionary, © 2010 Douglas Harper
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