radÂ·iÂ·cal. (rÄdâ²Ä­-kÉl) adj. 1. Arising from or going to a root or source; basic: proposed a radical solution to the problem. 2. Departing markedly from the usual or customary; extreme or drastic: a radical change in diet.
rlogin (remote login) 1  Securing VMware Virtual Infrastructure with Centrify's Identity and Access  ... Rlogin (remote login) is a UNIX command that allows an authorized user to login to other UNIX machines (hosts) on a network and to interact as if the user were physically at the host computer.
Immunoglobulin: A protein produced by plasma cells and lymphocytes and characteristic of these types of cells. Immunoglobulins play an essential role in the body's immune system. They attach to foreign substances, such as bacteria, and assist in destroying them. Immunoglobulin is abbreviated Ig. The classes of immunoglobulins are termed immunoglobulin A (IgA), immunoglobulin G (IgG), immunoglobulin M (IgM), immunoglobulin D (IgD) and immunoglobulin E (IgE).