Definitions for overdrawˌoʊ vərˈdrɔ
Random House Webster's College Dictionary
o•ver•drawˌoʊ vərˈdrɔ(v.)-drew, -drawn, -draw•ing.
(v.t.)to draw upon (an account, allowance, etc.) in excess of the balance standing to one's credit or at one's disposal.
to strain, as a bow, by drawing too far.
to exaggerate in depicting or describing.
(v.i.)to overdraw an account or the like.
Origin of overdraw:
draw more money from than is available
"She overdrew her account"
overstate, exaggerate, overdraw, hyperbolize, hyperbolise, magnify, amplify(verb)
to enlarge beyond bounds or the truth
"tended to romanticize and exaggerate this `gracious Old South' imagery"
Commonly described in graphics technical terms as the process by which during the rendering of a scene, a pixel at a given X,Y location in the final image is replaced by one which is closer to the view point than the existing pixel as determined by their corresponding Z values.
A value determining/describing u201COverdrawu201D or u201COverdraw factoru201D is commonly the number of times each pixel would have been overwritten in the course of rendering averaged over a given frame or series of frames.
To withdraw more money from an account than there is credit; to make an overdraft