Dienes may refer to:
*
Dienes (surname), including a list of people with the name
* the plural of
diene
In organic chemistry a diene ( ) (diolefin ( ) or alkadiene) is a covalent compound that contains two double bonds, usually among carbon atoms. They thus contain two alk''ene'' units, with the standard prefix ''di'' of systematic nomenclature ...
, a class of organic chemical compound
*
Base ten blocks used in mathematics education, also known as Dienes blocks or simply ''dienes''
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