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.
To calculate the size follow these simple guidelines: 1  Measure the length of the pond at the longest point. 2  Measure the width of the pond at the widest point. 3  Measure the depth of the pond at its deepest point.  Take twice the maximum depth and add it to the length at the longest point to get the overall length.