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Dictionary

ac•cel•er•ant

Pronunciation: (ak-sel'ur-unt), [key]
—n.
1. something that speeds up a process.
2. Chem.accelerator (def. 5).
3. a substance that accelerates the spread of fire or makes a fire more intense: Arson was suspected when police found accelerants at the scene of the fire.

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

accelerando

accelerate

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