Alkynes 5 : Chemical classification relating to the structure of hydrocarbons: alkynes have carbon atoms arranged in chains and contain one or more triple bonds
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}