Definition of 'mental defective'. mental defective (ËmÉntÉl dÉªËfÉktÉªv) 'You must not say anything,' I enunciated slowly, as if speaking to a mental defective. In 1937 two thirds of the magazine's readers favored the sterilization of mental defectives and criminals.
For items that are not circular, such as sculptures, measure the Height, Width, and Depth of the object. 1  Place the âZeroâ end of your measuring tool at the end of your object. 2  Make sure the end of your ruler is flush (in line) with your object.  Adjust your ruler so that it is aligned with your object.
Steps. 1  1. Measure the length, width and height of a single unit in either inches or meters. Whichever unit of measurement you use, measure all dimensions in the same unit of measurement. 2  2. Multiply the length, width and height of the unit together. 3  3. Divide the result by 1728 if your measurements were in inches.