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orthostat

American  
[awr-thuh-stat] / ˈɔr θəˌstæt /

noun

  1. (in a classical temple) any of a number of large stone slabs revetting the lower part of the cella.


Etymology

Origin of orthostat

1905–10; < Greek orthostátēs, equivalent to ortho- ortho- + státēs that stands; -stat