sub·​boreal | \ "+\

Definition of subboreal 

1 : very cold : approaching the frigid a subboreal climate
2 : of, relating to, or constituting a postglacial period preceding the boreal and characterized by relatively warm dry climate
3 : of, relating to, or constituting a biogeographic zone that approaches the boreal in climatic condition

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History and Etymology for subboreal

International Scientific Vocabulary sub- + boreal

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