"CAPTCHA" meaning in English

See CAPTCHA in All languages combined, or Wiktionary

Noun

IPA: /ˈkæp.t͡ʃə/ Forms: CAPTCHAs [plural], captcha [alternative], Captcha [alternative]
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”. Etymology templates: {{coin|en|Carnegie Mellon University|nobycat=1|occ=a team of researchers at}} Coined by a team of researchers at Carnegie Mellon University Head templates: {{en-noun}} CAPTCHA (plural CAPTCHAs)
  1. (computing, Internet) 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. Tags: Internet Derived forms: CRAPTCHA [derogatory, humorous, vulgar] Related terms: Turing test Translations (computerized test): ካፕቻ (kapča) (Amharic), 驗證碼 /验证码 (yànzhèngmǎ) (Chinese Mandarin), captcha (Dutch), CAPTCHA [masculine] (French), Captcha [masculine] (French), Captcha [masculine, neuter] (German), rarely CAPTCHA [masculine, neuter] (German), CAPTCHA [feminine] (Polish), ка́пча (kápča) (Russian), காப்ச்சா (kāpccā) (Tamil), แคปต์ชา (Thai), ካፕቻ (kapča) (Tigrinya), CAPTCHA (Turkish)

Inflected forms

Alternative forms

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      "lang_code": "nl",
      "sense": "computerized test",
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      "word": "Captcha"
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      "word": "CAPTCHA"
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      "word": "ка́пча"
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      "lang_code": "ta",
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      "sense": "computerized test",
      "word": "แคปต์ชา"
    },
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      "code": "ti",
      "lang": "Tigrinya",
      "lang_code": "ti",
      "roman": "kapča",
      "sense": "computerized test",
      "word": "ካፕቻ"
    },
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      "code": "tr",
      "lang": "Turkish",
      "lang_code": "tr",
      "sense": "computerized test",
      "word": "CAPTCHA"
    }
  ],
  "word": "CAPTCHA"
}

Download raw JSONL data for CAPTCHA meaning in English (5.2kB)


This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2026-01-25 from the enwiktionary dump dated 2026-01-01 using wiktextract (f492ef9 and 9905b1f). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.