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.
Jupiterimages/Pixland/Getty Images. A host address is the IP (Internet Provider) address of a particular computer in the Internet. IP addresses commonly are written in the dotted decimal notation, for example 127.72.12.6, uniquely indentifying each machine in the network.upiterimages/Pixland/Getty Images. A host address is the IP (Internet Provider) address of a particular computer in the Internet. IP addresses commonly are written in the dotted decimal notation, for example 127.72.12.6, uniquely indentifying each machine in the network.