A dyke (or dike) in geology is a type of later vertical rock between older layers of rock. Technically, it is any geologic body which cuts across:1  flat wall rock structures, such as bedding. dyke (or dike) in geology is a type of later vertical rock between older layers of rock. Technically, it is any geologic body which cuts across: 1  flat wall rock structures, such as bedding.
Another example would be the âdefault browserâ on your computer. Windows PCs come with Internet Explorer (the blue âEâ icon) as the default browser, just as Apple includes their own Safari browser as the default on their Mac computers.
Mozilla Firefox is a popular browser that allows its users to use a variety of search engines, ranging from Google, Bing, and Yahoo to DuckDuckGo and more. Follow the steps below to set Google as the default search Engine for Firefox browser installed on your computer. 1. Open the Firefox browser on your computer and click on the 3 bar icon, located to the top right corner of your screen (See image in step#2 below).