IT as a service. IT as a service (ITaaS) is an operational model where the IT service provider delivers an information technology service to a business. The IT service provider can be an internal IT organization or an external IT services company.
 Blighty  is a British English slang term for Britain or often specifically England. It was first used during the Boer War, though it was not until World War I that the word spread widely.he term was particularly used by World War I poets such as Wilfred Owen and Siegfried Sassoon. During that war, a  Blighty wound  â a wound serious enough to require recuperation away from the trenches, but not serious enough to kill or maim the victimâwas hoped for by many, and sometimes self-inflicted.
Medical Definition of Blighted ovum. Blighted ovum: A fertilized ovum (egg) that did not develop or whose development ceased at an early stage, before 6 or 7 weeks of gestation. On the ultrasound examination of a blighted ovum, only the gestational sac that normally surrounds the embryo can be seen. There is usually no embryo inside the gestational sac.