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biolinguistics

American  
[bahy-oh-ling-gwis-tiks] / ˌbaɪ oʊ lɪŋˈgwɪs tɪks /

noun

(used with a singular verb)
  1. the study of language functions as they relate to or derive from the biological characteristics of an organism.


Etymology

Origin of biolinguistics

bio- + linguistics