Diphtheria is a highly contagious and potentially life-threatening bacterial disease caused by Corynebacterium diphtheriae. There are two types of diphtheria: respiratory and cutaneous. Respiratory diphtheria involves the nose, throat and tonsils, and cutaneous diphtheria involves the skin.
cell address. (computer science). A combination of a letter and a number that specifies the column and row in which a cell is located on a spreadsheet. 1  Facebook. 2  Twitter.
A MAC (Media Access Control) address is a number that identifies the network adapter(s) installed on your computer. The address is composed of up to 6 pairs of characters, separated by colons. You may need to provide your MAC address to a router in order to successfully connect to a network. To find your MAC address on any system with a network connection, use one of the following methods.