Dioxin 1 : A generic term used to describe, collectively, the PCDDs and PCDFs. Sometimes also used for specific reference to 2,3,7,8-TCDD, which is considered to be the reference congener for the PCDD and PCDF family of compounds
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}