1. 
   Gigantothermy
   (pronounced jie-GANT-oh-therm-ee) Gigantothermy is the maintenance of a constant, relatively high body temperature by having a large body and insulation. Large animals have a relatively low surface area: volume ratio, so they retain heat better than smaller animals.
   Found op http://www.enchantedlearning.com/subjects/dinosaurs/glossary/
   
   
2. 
   gigantothermy
   gigantothermy The ability of an organism to maintain a constant, relatively high body temperature due to its having a large body and insulation. Larger animals have a relatively low surface area to body volume ratio, so they retain heat better than smaller animals.
   Found op http://www.wordinfo.info/words/index/info/view_unit/4265/7
   
   
3. 
   Gigantothermy
   Gigantothermy (sometimes called ectothermic homeothermy) is a phenomenon with significance in biology and paleontology, whereby large, bulky ectothermic animals are more easily able to maintain a constant, relatively high body temperature than smaller animals by virtue of their smaller surface area...
   Found op http://en.wikipedia.org/wiki/Gigantothermy
   
   

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