Exam: Cambridge English: C1 Advanced (CAE)

Definition: Relating to a type of radio wave that has a wavelength between ten and one hundred meters.

Example: The decametric waves are used in various communication technologies.

Definition: A type of hydrocarbon that is part of the alkane series, consisting of ten carbon atoms and typically found in liquid form.

Example: Decane is often used as a solvent in laboratories.

Definition: The process of pouring a liquid from one container to another, usually to separate it from sediment or other solids.

Example: After letting the mixture settle, she performed the decantation to remove the clear liquid from the sediment at the bottom.

Definition: To cut off someone's head; to behead.

Example: The ancient punishment for treason was to decapitate the offender.

Definition: The act of removing someone's head from their body, often as a form of execution or punishment.

Example: The historical records show that decapitation was used as a method of execution in many cultures.

Definition: A type of enzyme that helps remove a carboxyl group from a molecule, often involved in the breakdown of amino acids.

Example: Decarboxylase plays a crucial role in the metabolism of certain amino acids.

Definition: To remove one or more carboxyl groups from a molecule.

Example: The process of decarboxylate is essential in the synthesis of certain organic compounds.

Definition: Describing a substance that has undergone the removal of a carboxyl group, often resulting in a change in its chemical structure.

Example: The decarboxylated compound showed increased potency in the experiment.

Definition: To remove a carboxyl group from a molecule, typically resulting in the release of carbon dioxide.

Example: The compound was decarboxylated to enhance its effectiveness in the reaction.

Definition: The process of removing a carboxyl group from a chemical compound, often replacing it with hydrogen.

Example: Decarboxylation is an important step in the metabolism of certain amino acids.

Definition: The process of removing carbon from a material, especially metal, to improve its properties.

Example: Decarburization is essential in steel production to enhance its strength and durability.