[ kap-chuh ]
/ ˈkæp tʃə /
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Definition of CAPTCHA
noun Digital Technology.
an online test designed so that humans but not computers are able to pass it, used as a security measure and usually involving a visual-perception task: Site visitors must solve the “distorted text” CAPTCHA before posting comments.
a computer program that generates such tests.
GOOSES. GEESES. I WANT THIS QUIZ ON PLURAL NOUNS!
Test how much you really know about regular and irregular plural nouns with this quiz.
Question 1 of 9
Which of the following nouns has an irregular plural form?
Origin of CAPTCHA
2000–05; C(ompletely) A(utomated) P(ublic) T(uring) (Test to Tell) C(omputers and) H(umans) A(part)
Words nearby CAPTCHA
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022