Exam: Cambridge English: C2 Proficiency (CPE)

Definition: A special type of hydrogen that is radioactive and has a mass three times greater than regular hydrogen. It is used in scientific research and in making hydrogen bombs.

Example: Scientists use tritium in experiments to trace chemical reactions.

Definition: Able to be ground or crushed into a fine powder.

Example: The herbs are triturable, making them easy to mix into the medicine.

Definition: Describing a substance that has a valence of three, which means it can bond with three other atoms or molecules.

Example: The trivalent vaccine protects against three different strains of the virus.

Definition: Relating to people who live in caves or are considered primitive in their lifestyle.

Example: The troglodytic lifestyle of the ancient people fascinated archaeologists.

Definition: A type of single-celled organism that is in the active stage of its life cycle, often found in the class of protozoans.

Example: The scientist observed the trophozoite under the microscope to study its behavior.

Definition: A basic unit of collagen, made up of three twisted chains of proteins that form the structure of collagen fibers.

Example: Tropocollagen is essential for the strength and flexibility of connective tissues in the body.

Definition: In a way that relates to the use of figurative language or metaphor.

Example: The author wrote tropologically, using metaphors to convey deeper meanings in the text.

Definition: The movement of an organism in response to two different stimuli, such as light, using different senses to determine its direction.

Example: The insect showed tropotaxis by moving towards the brighter light while avoiding the dimmer one.

Definition: A person who establishes a legal arrangement to manage assets for the benefit of another person or group.

Example: The trustor decided to set up a trust to ensure his children's financial security.

Definition: Relating to or having the characteristics of a type of porous rock formed from mineral deposits, often found in hot springs or near lakes.

Example: The tufaceous rock formations in the area are fascinating to geologists.