1. 
   Self-regulating
   A system that alters its own characteristics to achieve or regain equilibrium.
   Found op http://www.greenconstruction.co.uk/glossary/S.html
   
   
2. 
   self-regulating
   (Learning Modules / Geography / Urban sustainability) A system alters its own characteristics to achieve or regain equilibrium.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   

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