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.
Length is a measurement of how long something is. Width is a measurement of how wide it is.      Width and length are the sizes of an object in 2 dimensions which are â¦ 90 degrees apart. found this useful. acre = 43,560 square feet so for example: 100 feet long by 435.6 feet wide would equal one acre Length x Width = Square Feet Square Feet / 43560 = acres 208.71ft by 20 â¦ 8.71ft is equal to one acre. + 106 others found this useful. Doneen Ferris.