Definition of hole

1. 1 : of a semiconductor, a mobile vacancy in the electronic valence structure that acts like a positive electron charge with positive mass; the majority carrier in p-type material. [SEMI M1-94 and ASTM F1241] 2 : in plastic and metal wafer carriers, the area through which a pin from another wafer carrier can enter for the transfer of wafers. [SEMI E1-86]