Word Pronunciation & Dictionary

captcha

/ˈkæp.t͡ʃə/

Word Rarity Very rare

Frequency: 2.40 in modern English

Syllables: captcha
IPA: /ˈkæp.t͡ʃə/

16

Scrabble Score

7

Letters

1

Syllables

5

Unique Chars

Meaning

noun

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.

noun

Alternative letter-case form of CAPTCHA.

noun

Alternative letter-case form of CAPTCHA.

Example Sentences

"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 […]"

Etymology

Coined by a team of researchers at Carnegie Mellon University in 2000 as a loose acronym of “completely automated public Turing test to tell computers and humans apart”.

Inflected Forms

CAPTCHAs (plural)

Derived Forms

CRAPTCHA

Phrases

Turing test

Frequently Paired Words

Turing test

Questions

How do you pronounce captcha?: The recorded pronunciation is /ˈkæp.t͡ʃə/.
What does captcha mean?: 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.
Where does captcha come from?: Coined by a team of researchers at Carnegie Mellon University in 2000 as a loose acronym of “completely automated public Turing test to tell computers and humans apart”.

How to pronounce captcha

Open the pronunciation page — Open the Speakur entry for “captcha”.
Read the phonetic spelling — Read the IPA spelling (/ˈkæp.t͡ʃə/) so you know which sounds to aim for.
Play the audio — Click Play to hear reference audio for “captcha”.
Repeat and practice — Say “captcha” aloud, matching stress and vowels until it feels natural.