Exam: TOEFL

Definition: In a way that relates to the measurement of radiation, often used in scientific contexts.

Example: The samples were analyzed radiometrically to determine their age.

Definition: A type of atom that is unstable and emits radiation as it breaks down.

Example: Scientists study radionuclides to understand their effects on health and the environment.

Definition: Not allowing x-rays or other types of radiation to pass through.

Example: The doctor used a radiopaque dye to help visualize the organs during the scan.

Definition: A method or process that protects living organisms from the harmful effects of radiation.

Example: Radioprotection measures are essential for workers in nuclear power plants.

Definition: Relating to the protection against harmful effects of radiation.

Example: Certain substances are known to have radioprotective properties that help shield cells from radiation damage.

Definition: A substance that helps protect living tissues from the harmful effects of radiation.

Example: Scientists are researching new radioprotective agents to safeguard patients during radiation therapy.

Definition: Having a reaction or response to radiation, particularly in biological contexts.

Example: Certain types of cancer cells are radiosensitive, meaning they can be effectively treated with radiation therapy.

Definition: A device that is sent into the atmosphere, usually by a balloon, to collect and send back weather information.

Example: The scientists launched a radiosonde to measure temperature and humidity at different altitudes.

Definition: A medical procedure that uses focused radiation to treat or destroy diseased tissue, such as tumors, without the need for traditional surgery.

Example: The doctor recommended radiosurgery as a less invasive option for treating the tumor.

Definition: A system used to send messages over long distances using radio waves instead of wires.

Example: The ship used a radiotelegraph to communicate with the coast guard during the storm.

Definition: A method of sending data over long distances using radio waves.

Example: The scientists used radiotelemetry to track the movements of the animals in the wild.