The definition of racism can be found on the website dictionary.com, which provides several definitions from various dictionaries. In addition to the definition, the history and origin of the word, along with its various forms, rules of usage and parts of speech are also included on this website.
To use this website, simply type "www.dictionary.com" into your browser window and press enter. There, you find a blank space to type in any word. Once you type in the word whose definition you are looking for, press enter. The website then displays the definition of the word "racism" along with other information.