Exam: Cambridge English: C1 Advanced (CAE)

Definition: To clearly mark or set the limits of something, often by drawing lines or creating boundaries.

Example: The surveyor was hired to demarcate the property lines between the two houses.

Definition: A clear line or boundary that separates different areas or things.

Example: The demarcation between the two countries is marked by a river.

Definition: To make something lose its physical form or substance, often causing it to become invisible or immaterial.

Example: The magician seemed to dematerialize the rabbit from the hat in an instant.

Definition: Something that lowers a person's dignity or self-worth.

Example: The comments he made were very demeaning and hurtful.

Definition: To lower someone's dignity or self-worth; to make someone feel less important or respected.

Example: The comments he made were demeaning and hurtful to her.

Definition: A person's outward behavior or conduct, especially in relation to how they appear to others.

Example: Her calm demeanour helped to reassure the nervous students.

Definition: Having a serious mental illness or being unable to think clearly; often used to describe someone who is acting in a crazy or irrational way.

Example: The demented man wandered the streets, lost and confused.

Definition: To remove one or more methyl groups from a chemical compound, particularly in biological contexts.

Example: Scientists are studying how to demethylate certain genes to understand their functions better.

Definition: Referring to a substance that has undergone the process of removing a methyl group from its chemical structure.

Example: The researchers studied the effects of demethylated compounds on gene expression.

Definition: To remove a methyl group from a molecule, often in the context of chemical reactions or biological processes.

Example: The compound was demethylated to enhance its reactivity in the experiment.

Definition: The process of removing one or more methyl groups from a molecule.

Example: Demethylation is an important process in the regulation of gene expression.

Definition: A social group or class that is considered to have a questionable reputation, often associated with women who are supported by wealthy lovers or involved in dubious activities.

Example: The artist found inspiration in the stories of the demimonde, where love and betrayal intertwined.