polygraph — Từ điển tiếng Anh

Danh từ

1. A device which measures and records several physiological variables such as blood pressure, heart rate, respiration and skin conductivity while a series of questions is being posed to a subject, in an attempt to detect deception.

   Từ đồng nghĩa

   lie detector

   Ví dụ

   It used to be just a plain office with a chair and some instruments on a table. Then they got the new, fancy polygraph system.

2. A mechanical instrument for multiplying copies of a writing, resembling multiple pantographs.

   Cách dùng

   • lỗi thời

   Từ đồng nghĩa

   manifold writerautopen

3. A collection of different works, either by one or several authors.

   Cách dùng

   • cổ ngữ

4. A group of letters that represent a single phoneme.

   Từ đồng nghĩa

   multigraph

5. Any group of letters treated as a single item.

   Ví dụ

   Thêm ví dụ (1)

   A polygraph consists of an unspecified number of adjacent letters. A polygraph need not be recognisable as a word in a language but if we are attempting to decipher a message which is expected to be in English and we find the heptagraph MEETING it is much more promising than if we find a heptagraph such as DKRPIGX.

6. An author who writes on many subjects.

7. A multidimensional directed graph.

   Từ đồng nghĩa

   computad

Động từ

1. To administer a polygraph test to.

   Cách dùng

   • ngoại động từ

   Từ liên quan

   truth serumdigraphtrigraph

   Ví dụ

   The FBI polygraphed the suspect but learned nothing because they already knew he was lying.

Danh từ

1. a medical instrument that records several physiological processes simultaneously (e.g., pulse rate and blood pressure and respiration and perspiration)

   Từ có nghĩa rộng hơn

   medical instrument