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Meaning of insoluble

in•sol•u•ble

Pronunciation: (in-sol'yu-bul), [key]
— adj.
  1. incapable of being dissolved: insoluble salts.
  2. incapable of being solved or explained: an insoluble problem.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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