This word is not acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

v. To rewrite existing source code in order to improve its readability, reusability or structure without affecting its meaning or behaviour

"It is not yet clear whether scientists will attempt to package or refactor more traditional applications (which require high bandwidth, closely-coupled communications in many important domains) in ways that are well-suited for the cloud infrastructure, or whether cloud infrastructure providers will offer options that provide hardware suited for them."

reactor    refractor