orthostat

/ˈor.θəˌstæt/

前缀

后缀

ortho-: Right angle, perpendicular. · Proper, righteous, pure.
-stat: Used to form nouns naming scientific instruments that act to render the prefixed element stationary or static in some respect. · (pharmacology) Used to form names of enzyme inhibitors.

Ancient Greek ὀρθοστάτης (orthostátēs, “upright shaft”); analysable as ortho- +‎ -stat.

1(archaeology) An upright stone or slab, especially one which is part of a larger structure.