Exam: TOEFL

Definition: Having had the head cut off or removed.

Example: The statue was found decapitated, with its head missing.

Definition: To remove the head from a body.

Example: The ancient punishment for treason was to have the traitor decapitated.

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: To remove carbon dioxide or carbonic acid from a substance.

Example: The process to decarbonate the water made it taste fresher.

Definition: To remove carbon from something, often referring to processes that reduce carbon emissions in various industries.

Example: The company aims to decarbonize its operations by switching to renewable energy sources.

Definition: A device or substance that removes carbon dioxide or carbon from a material or environment.

Example: The new decarbonizer technology helps reduce emissions in factories.

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: A sports competition where athletes compete in ten different track and field events, including running, jumping, and throwing.

Example: He trained for months to prepare for the decathlon at the national championships.

Definition: To gradually break down or rot, often due to natural processes.

Example: The old wooden house began to decay after years of neglect.

Definition: The process of becoming gradually worse or breaking down over time, often referring to physical deterioration or decline in quality.

Example: The old building showed signs of decay after years of neglect.

Definition: To make something rot or decompose, often due to the action of bacteria or fungi.

Example: The gardener decided to decay the old leaves to enrich the soil.