hashtag
/ˈhaʃtaɡ
/noun
1A word or phrase preceded by a hash sign (#), used on social media websites and applications, especially Twitter, to identify messages on a specific topic: spammers often broadcast tweets with popular hashtags even if the tweet has nothing to do with them the hashtag #riotcleanup is being used by community members to coordinate some post-riot street-cleaning...
- Hash tags have become indices of popularity.
- However, hashtag use was significantly higher among spammers.
- Tony Hirst with the UK's Open University has a great tutorial on how to create a (tag or) word cloud based on a hashtag feed from Twitter.
1.1The hash sign (#): Hunt mistook an @ for a hashtag while tweeting derogatory thoughts about him...
- Similarly, putting a hashtag in front of a tag (such as #bushfire or #davos) lets you follow a thread on any given topic.
- A word like ''follow'' (to subscribe to someone's Twitter feed), and the symbols @ (denoting an online name) and # (a ''hashtag,'' denoting a searchable topic) have specific meanings on Twitter that have begun to migrate across the entire Web and beyond.
- The # symbol, called a hashtag, is used to mark keywords or topics in a tweet.