Cancerreduction Share Tweet A chemical reaction that takes place when a substance comes into contact with hydrogen or another reducing substance.( ree-DUK-shun )Source: NCI Dictionary of Cancer TermsSearch the Glossary of Medical Terms Previous: redox Next: Reed-Sternberg cell NewsletterSign up for the QuackTrack.org newsletter below! Click to commentLeave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment *Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ QuackTrack on TwitterTweets by QuackTrack_org Trending Posts