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.
When measuring length in the customary system the common units used are inches, feet, yards, and miles. Units of length measure height, width, length, depth, and distance. People use feet to measure their height.Construction worker and architects use feet to measure walls, floors, and ceilings. It is also used to determine one point to another. The end of your thumb to your first joint is about 1 inch long.An egg carton is about a foot long. A standard doorway is about a yard in width.hen measuring length in the customary system the common units used are inches, feet, yards, and miles. Units of length measure height, width, length, depth, and distance. People use feet to measure their height.