reformer

noun

1. 1

   One who reforms, or who works for reform.

2. 2

   (history) One who was involved in the Reformation.

3. 3

   (chemical engineering, fuel cells) A device which converts hydrocarbons into a hydrogen-rich mixture of gases.

4. 4

   (chemical engineering) A device used to convert petroleum refinery naphthas, typically having low octane ratings, into high-octane liquid products called reformates.