Exam: Cambridge English: C1 Advanced (CAE)

Definition: A substance that takes part in a chemical reaction and is changed during the process.

Example: In the experiment, water acted as a reactant in the chemical reaction.

Definition: Describing someone or something that opposes change or progress, often favoring traditional values and conservative ideas.

Example: His reactionary views on social issues made it difficult for him to connect with younger voters.

Definition: A person who opposes political or social progress and wants to maintain traditional values.

Example: The reactionary criticized the new policies aimed at reforming the education system.

Definition: The quality or state of responding to something, often quickly or strongly.

Example: The reactiveness of the chemical mixture caused it to change color when exposed to air.

Definition: The ability of a substance to undergo a chemical reaction or respond to a stimulus.

Example: The reactivity of sodium with water is well known in chemistry.

Definition: The quality of being easy to read or understand, often referring to text that is clear and legible.

Example: The readableness of the article made it enjoyable for everyone to understand.

Definition: Connected to or characteristic of people who read, often referring to their preferences or habits.

Example: The book was written in a readerly style that made it easy for anyone to understand.

Definition: To state something again in order to emphasize it or make it clear.

Example: The president decided to reaffirm his commitment to the new policy during the speech.

Definition: A substance that is used in a chemical reaction to help detect, measure, or produce other substances.

Example: The scientist added a reagent to the solution to test for the presence of a specific chemical.

Definition: The act of becoming aware of something or understanding it clearly.

Example: Her realisation that she needed to change her lifestyle came after the doctor’s visit.

Definition: A way of thinking that focuses on representing things as they truly are, without exaggeration or idealization, often used in art, literature, and philosophy.

Example: The novel is a great example of realism, depicting everyday life without romanticizing it.