"Overall thickness" refers to the total measure of thinness or thickness of something when considering all its parts or layers together. Full definition
The technology does not require a cover glass over the display, which leads to a reduction in overall thickness of the device. (ibtimes.com)
It retains the same 9.7 - inch display but with a bezel that is 43 percent thinner along with a 20 percent reduction in overall thickness. (techspot.com)
One study found that lavender essential significantly increased the number of hair follicles and deepened the depth of hair follicles, reducing hair fallout and increasing overall thickness. (bodyunburdened.com)