Exam: Cambridge English: C1 Advanced (CAE)

Definition: To add one or more groups of carbon and hydrogen atoms to a chemical compound.

Example: Chemists often alkylate compounds to enhance their properties.

Definition: This term describes something that has been changed or altered by a chemical process where an alkyl group is added to a molecule.

Example: The alkylated compounds are often used in various chemical reactions.

Definition: To add an alkyl group to a molecule, often in a chemical reaction.

Example: The compound was alkylated to enhance its reactivity.

Definition: A process where a specific group of atoms, known as an alkyl group, is added to a chemical compound. This is often done to change the properties of the compound, such as making fuels more effective.

Example: The alkylation of the compound improved its performance as a fuel.

Definition: A type of chemical compound that consists of carbon and hydrogen, characterized by having at least one triple bond between carbon atoms.

Example: Acetylene is the simplest alkyne, consisting of two carbon atoms connected by a triple bond.

Definition: Relating to a specific membrane in the developing embryo that helps in waste removal and gas exchange.

Example: The allantoic fluid plays a crucial role in the development of the embryo.

Definition: A thin, membranous sac that forms in the embryos of mammals, birds, and reptiles. It plays a key role in developing the umbilical cord and placenta in mammals.

Example: The allantois plays a crucial role in the development of the embryo by facilitating nutrient and waste exchange.

Definition: To claim that something is true, often without providing proof or evidence.

Example: The lawyer alleges that her client was wrongfully accused.

Definition: Describing something that is claimed to be true or to have happened, but not yet proven or confirmed.

Example: The alleged thief was caught on camera, but he denied the accusations.

Definition: Relating to a story, picture, or other work of art that has a hidden meaning, often moral or spiritual, beyond the obvious one.

Example: The novel is rich in allegorical themes, representing the struggle between good and evil.

Definition: In a way that uses symbols or stories to represent deeper meanings or ideas.

Example: The story was told allegorically, conveying deeper meanings through its characters and events.