ergonomic - definition and synonyms

adjective 

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/ˌɜː(r)ɡəˈnɒmɪk/
  1. ergonomic furniture, equipment etc is designed to be easy and comfortable to use and to produce the most benefits to the user

derived word

ergonomically

 

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/ˌɜː(r)ɡəˈnɒmɪkli/
adverb