CAPTCHA
common nounproper noun
from the English acronym captcha, which is more specifically a backronym intended to be pronounced like 'capture' in English and composed of the initials of 'Completely Automated Public Turing test to tell Computers and Humans Apart'. This term, which is a trademark registered by Carnegie Mellon University, was invented in 2000 by Luis von Ahn, Manuel Blum, and Nicholas J. Hopper from this university, and by John Langford of IBM.
Definition
- internet
Translations
english:captcha
chinese:验证码
korean:캡차
japanese:CAPTCHA