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from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Living in water during an early stage of development and on land during the adult stage.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Describing insects that initially live in water but live on land as adults

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. having an aquatic early or larval form and a terrestrial adult form


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