Definition from Wiktionary, the free dictionary
Alternative forms 
whole food (plural whole foods)
- Food that is unprocessed and unrefined, or processed or refined as little as possible.
- Unpolished grains that retained their outer coating were a major lynchpin of his 'whole foods'-based diet.
- The Whole Food Bible : How to Select & Prepare Safe, Healthful Foods, by Christopher S. Kilham. ISBN 0892816260.