LEARNit Dictionary
captcha
noun
/ˈkæptʃə/
UK
/ˈkæptʃə/
US
1
a computer program that is designed to recognize the difference between human users and machines, often showing letters or numbers with their shape changed slightly
کپچا, تست تمایز انسان و ماشین, تشخیص انسان از ماشین