Exam: Cambridge English: C2 Proficiency (CPE)

Definition: Related to the scientific study of the nervous system and the brain.

Example: The neuroscientific research has provided new insights into how we learn and remember.

Definition: A type of particle found in the center of atoms that has no electric charge and is similar in mass to a proton. Neutrons are important because they help make up the nucleus of an atom, which is the core part of the atom.

Example: In the nucleus of an atom, neutrons play a crucial role alongside protons.

Definition: Describing something that contains or produces nickel, often used in reference to certain types of ores.

Example: The nickeliferous ore was mined for its valuable metal content.

Definition: To close and open one eye quickly, often as a signal or gesture.

Example: She nictated at him to get his attention without saying a word.

Definition: To close and open one eye quickly, often as a sign of greeting or to convey a secret message.

Example: She nictitated at him to signal that everything was fine.

Definition: The state of not existing or being nothing; emptiness.

Example: In philosophy, the concept of nihility explores the idea of complete nothingness.

Definition: A state of being more than what is necessary; an excess or surplus of something.

Example: The nimiety of decorations made the room feel cluttered and overwhelming.

Definition: Relating to or containing nitrogen, particularly in a higher oxidation state than in similar compounds.

Example: Nitric acid is commonly used in fertilizers and explosives.

Definition: Causing harm or injury to someone or something.

Example: The nocent actions of the company led to serious environmental damage.

Definition: A person who walks during the night, often while asleep.

Example: The noctambulist wandered through the quiet streets, unaware of his surroundings.