Meaning of CAPTCHA | Babel Free

Definitions

1. Alternative letter-case form of CAPTCHA.
   alt-of
2. A computerized test requiring the human user to perform a task deemed to be difficult to automate, such as entering a displayed series of distorted characters or describing images, to demonstrate that they are a human and not a computer program.
   Internet

Equivalents

Examples

“CAPTCHA puzzles are intended to be easy for a human to solve but difficult for a computer. Because of the monetary value to spammers of circumventing these controls, an arms race has occurred in which typical CAPTCHA puzzles have […]”

“A CAPTCHA is a quick check to make sure that an actual person, rather than a computer program, is using the website. Web applications use CAPTCHA […]”

CEFR level