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Dictionary

di•lat•ant

Pronunciation: (di-lāt'nt, dī-), [key]
—adj.
1. dilating; expanding.
2. Physical Chem.exhibiting an increase in volume on being changed in shape, owing to a wider spacing between particles.
3. Petrol.(of rock) exhibiting an increase in volume owing to rearrangement and recrystallization of constituent grains.

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

dilapidated

dilatate

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