Exam: IELTS

Definition: A device that measures and records physiological responses like heart rate, blood pressure, and breathing, often used to determine if someone is lying.

Example: The detective used a polygraph to check if the suspect was telling the truth.

Definition: A device that measures and records physiological responses, such as heart rate and blood pressure, to determine if someone is telling the truth or lying.

Example: The detective decided to polygraph the suspect to see if he was being honest about his alibi.

Definition: A person who is trained to use a device that measures physiological responses to determine if someone is being truthful or deceptive.

Example: The polygrapher analyzed the results of the lie detector test to assess the subject's honesty.

Definition: A person who is trained to use a device that measures physiological responses, often used to determine if someone is lying.

Example: The polygraphist analyzed the data from the lie detector test to assess the subject's truthfulness.

Definition: Describing a situation where a male has multiple female partners or mates, often used in the context of certain animal species or human relationships.

Example: In some cultures, polygynous marriages are accepted and practiced.

Definition: The practice of a man having more than one wife at the same time.

Example: In some cultures, polygyny is a common practice where men have multiple wives.

Definition: A three-dimensional shape that has flat surfaces called faces, which are polygons.

Example: The architect designed a building in the shape of a polyhedron.

Definition: A type of disease that affects certain insect larvae and crustaceans, caused by specific viruses, leading to tissue breakdown and the presence of virus particles in the body fluids.

Example: The farmer noticed signs of polyhedrosis in his caterpillar population, indicating a viral infection.

Definition: A type of compound made up of repeating units that contain carbonyl groups, often produced by bacteria and fungi, and used in medicine for their antibiotic and other health-related properties.

Example: Polyketides are important in the development of new antibiotics and cancer treatments.

Definition: Relating to a person who has knowledge in many different subjects or fields.

Example: Leonardo da Vinci is often considered a polymathic genius due to his expertise in art, science, and engineering.

Definition: The ability to understand and learn about many different subjects or fields of study.

Example: Her polymathy allowed her to excel in both science and the arts.