A CDE Definition
A topic identifier in text and chat messages, which allows them to be searched as a group. Commonly used in tweets, the hashtag is the name of the group with a number sign (#) prefix, also called a hash sign. The hashtag is a link, which jumps the user to the topic just like a hyperlink in an email or Web page.
Hashtags can be created and used to identify anything, including people, businesses, organizations, sports teams, political parties, hobbies, events, philosophies, moods, rants and raves. For example, the hashtag for the United States Marines is #marines. The athletically inclined might search for #triathlon or #ironman. See hash, tag, Twitter and bashtagging.
Before/After Your Search Term
|harmonic adapter||hash value|
Terms By Topic
Click any of the following categories for a list of fundamental terms.