| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| hydrilla |
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| SYLLABICATION: | hy·dril·la |
| PRONUNCIATION: |  h -dr l  |
| NOUN: | A submersed Old World Plant (Hydrilla verticillata) having whorled, lance-shaped leaves and unisexual, solitary, axillary flowers. | | ETYMOLOGY: | New Latin, genus name, diminutive of Latin hydra, hydra. See hydra.
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| The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved. |
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