macrostereognosis

mac·ro·ster·e·og·no·sis

(mak'rō-ster'ē-og-nō'sis),
An error of perception in which objects appear larger than they are.
[macro- + G. stereos, solid, + gnōsis, recognition]

macrostereognosis

(măk″rō-stē″rē-ō-nō′sĭs) [″ + stereos, solid, + gnosis, knowledge]
A misperception that objects appear to be larger than they are.