← GlossaryWas this page helpful?
What does "at sign" mean in programming?
at sign is one of the most common terms in software development. This guide explains what it means, how it is used in practice, and why it matters, with real examples from the developer world.
Definition
The @ character. In programming it introduces decorators in Python and TypeScript, and is part of every email address. Developers say 'at' when reading it aloud.
Example
"The @property decorator turns a method into a read-only attribute in Python."
Can you put this sentence in the right order?
Tap the words to place them here
Keep building your technical English
You just looked up what this word means. Lingua-e turns vocabulary like this into full practice: fill-in-the-blanks, listening, and real developer conversations.
Practice this for free