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pro•to•troph•ic



Pronunciation: (prō"tu-trof'ik, -trō'fik), [key]
adj.
1. (esp. of certain bacteria) requiring only inorganic substances for growth.
2. (of certain microorganisms) requiring no specific nutriments for growth.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

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