Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
No pronunciation record was provided for this word.
noun
In the field of human-computer interaction, a research experiment in which subjects interact with a computer system that they believe to be autonomous, but which is actually being operated by an unseen human being.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Referring to a scene in which the Wizard of Oz hides behind a curtain to project an intimidating shadow image.
