octuplicate

octuplicate

(ɒkˈtjuːplɪkɪt)
n
a reproduction of something of which there are eight identical versions
adj
reproduced identically eight times
References in periodicals archive ?
After a shipping manifest is filled out in octuplicate, it is hauled away by the waste disposal company.
All cellular measurements derive from three independent experiments, wherein each performed in octuplicates, unless specified.