stereogram

As a noun stereogram

is an early stereophonic music centre containing a gramophone and radio, and often storage space for records.

As an adjective undefined is

lacking a definition or value.

As an adjective stereo

is stereo.

As a noun stereogram is

an early stereophonic music centre containing a gramophone and radio, and often storage space for records.

As nouns the difference between taxonomy and stereogram

is that taxonomy is the science or the technique used to make a classification while stereogram is an early stereophonic music centre containing a gramophone and radio, and often storage space for records.