Octothorpe meaning

An octothorpe is a symbol used to denote a hashtag on social media platforms.


Octothorpe definitions

Word backwards eprohtotco
Part of speech Noun
Syllabic division oc-to-thorpe
Plural The plural of the word "octothorpe" is octothorpes.
Total letters 10
Vogais (2) o,e
Consonants (5) c,t,h,r,p

What is an Octothorpe?

An octothorpe, also known as a pound sign or hashtag, is a symbol that looks like a combination of a number sign (#) and the numeral zero (0). It is commonly used as a metadata tag to categorize content on social media platforms like Twitter and Instagram.

Origin of the Term

The term "octothorpe" is believed to have originated in the Bell Telephone Laboratories in the 1960s. It is said to have been coined by an employee who was creating documentation for a touch-tone telephone keypad, which included the # symbol.

Usage in Telephony

In the field of telephony, the octothorpe is commonly used to represent the word "number" on a telephone keypad. When dialing a number with an automated system, users are often prompted to enter the desired option followed by the octothorpe key.

Modern Usage in Social Media

With the rise of social media platforms, the octothorpe has gained popularity as a hashtag. Users can add hashtags to their posts to make them more discoverable to others who are interested in similar topics. This has revolutionized the way people search for and share content online.

Significance in Communication

Besides its use in telephony and social media, the octothorpe also has significance in various forms of communication. It can be used in writing to indicate a number, especially in reference to specific points or footnotes in a text.

In conclusion, the octothorpe plays a vital role in modern communication, from telephony to social media. Its versatility and widespread use make it a symbol that is recognized and utilized by people all around the world.


Octothorpe Examples

  1. The octothorpe symbol is commonly used to represent numbers in a phone number like 1-800-CALL-NOW.
  2. When texting, some people use an octothorpe at the beginning of a message to indicate a trending topic, also known as a hashtag (#).
  3. In coding, an octothorpe is used to indicate a comment in the code, which is text that is not executed by the program.
  4. During a meeting, participants can use an octothorpe to signify a particular point they want to address or follow up on.
  5. The octothorpe key on a telephone keypad is also known as the pound key or hash key.
  6. In music notation, an octothorpe is sometimes used to indicate a sharp note.
  7. Graphic designers may utilize the octothorpe as a design element in a logo or layout.
  8. Some social media platforms allow users to search for posts and topics using the octothorpe symbol.
  9. A clever use of the octothorpe can serve as a visual cue or marker in a document or presentation.
  10. In sports commentary, the octothorpe might be used to highlight key statistics or player information.


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  • Updated 27/03/2024 - 20:25:29