Definition of Amphibia

1. Noun. The class of vertebrates that live on land but breed in water; frogs; toads; newts; salamanders; caecilians.




Definition of Amphibia

1. n. pl. One of the classes of vertebrates.

Definition of Amphibia

1. Noun. (plural of amphibian) ¹

¹ Source: wiktionary.com

Definition of Amphibia

1. organisms adapted for life both on land and in water [n]

Medical Definition of Amphibia

1. One of the classes of vertebrates. The Amphibia are distinguished by having usually no scales, by having eggs and embryos similar to those of fishes, and by undergoing a complete metamorphosis, the young having gills. There are three living orders: (1) The tailless, as the frogs (Anura); (2) The tailed (Urodela), as the salamanders, and the siren group (Sirenoidea), which retain the gills of the young state (hence called Perennibranchiata) through the adult state, among which are the siren, proteus, etc.; (3) The Coecilians, or serpentlike Amphibia (Ophiomorpha or Gymnophiona), with minute scales and without limbs. The extinct Labyrinthodonts also belonged to this class. The term is sometimes loosely applied to both reptiles and amphibians collectively. See: Amphibium. Source: Websters Dictionary (01 Mar 1998)

Amphibia Pictures

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Lexicographical Neighbors of Amphibia

amphetamine sulfate
amphetamine sulphate
amphetamines
amphetaminil
amphetaminism
amphi-
amphiarthrodial
amphiarthroses
amphiarthrosis
amphiarthrotic
amphiaster
amphiasters
amphibamid
amphibamids
amphibaric
amphibia (current term)
amphibial
amphibian
amphibian family
amphibian genus
amphibian venoms
amphibianlike
amphibians
amphibiological
amphibiology
amphibiotic
amphibiotica
amphibious
amphibious aircraft

Literary usage of Amphibia

Below you will find example usage of this term as found in modern and/or classical literature:

1. College zoology by Robert William Hegner (1918)
"A BRIEF CLASSIFICATION OF LIVING amphibia l There are about one thousand different species of amphibia — u number very much smaller than that of the other ..."

2. The Cambridge Natural History by Sidney Frederick Harmer, Arthur Everett Shipley (1901)
"Dipnoi), Birds and Mammals, We can, therefore, very easily define all the amphibia, both recent and extinct, by a combination of the characters enumerated ..."

3. Science by American Association for the Advancement of Science (1912)
"The work is divided into five parts: an historical review, a systematic revision, and a morphological revision of the amphibia, a description of some ..."

4. Philosophical Transactions by Royal Society (Great Britain) (1789)
"... of Animals called, by Linnaeus, amphibia; particularly on the Means of ... has been To little attended to as the clais, called by LINNAEUS, amphibia. ..."

5. A Manual of the Anatomy of Vertebrated Animals by Thomas Henry Huxley (1895)
"amphibia. The only clearly diagnostic characters of this class as compared ... amphibia have no fin-rays. 2. When limbs are present they contain the same ..."

6. Vertebrate Zoölogy by Horatio Hackett Newman (1920)
"THE EXTINCT amphibia All of the early amphibia of the coal-measures (Upper ... and it is customary to divide the Class amphibia into two sub-classes: (1) ..."

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