Exam: IELTS

Definition: A skilled person who prepares and cooks food, often in a restaurant or hotel, and usually in charge of the kitchen staff.

Example: The chef prepared a delicious meal for the guests.

Definition: A person who cooks professionally, especially the chief cook in a restaurant or hotel.

Example: The chef prepared a delicious meal for the guests.

Definition: Relating to a type of chemical compound where a metal ion is bonded to a molecule that has two or more sites for attachment.

Example: The chelate form of the metal is more stable in solution.

Definition: A type of chemical compound that has a ring structure and includes a metal ion connected to nonmetal ions through coordinate bonds.

Example: The scientist studied the properties of a chelate to understand its effectiveness in removing heavy metals from water.

Definition: To form a complex with a metal ion by bonding it to a chemical compound, often creating a ring structure.

Example: The doctor decided to chelate the patient to remove the heavy metals from their system.

Definition: Describing a substance that is bound to a chelate, which is a compound that can form multiple bonds with a single metal ion.

Example: The chelated minerals in the supplement are easier for the body to absorb.

Definition: To form a complex with a metal ion by binding it to a larger molecule, often used in chemistry and biology.

Example: The scientist chelated the metal ions to improve their solubility in the solution.

Definition: Describing a substance that can form a complex with a metal ion, effectively removing it from a solution or biological system.

Example: The chelating agent helped to remove heavy metals from the patient's body.

Definition: A chemical process where a compound forms a complex with a metal ion, often used to remove harmful metals from the body or solutions.

Example: Chelation therapy is often used to treat heavy metal poisoning.

Definition: A substance that can bind to metal ions and remove them from solutions or biological systems.

Example: The doctor prescribed a chelator to help remove excess metals from the patient's body.

Definition: A type of raised scar that forms at the site of an injury or incision, often larger than the original wound and can be itchy or painful.

Example: After the surgery, she developed a cheloid on her arm that took a long time to fade.

Definition: Relating to the science of chemistry or the substances involved in it.

Example: The chemical reaction produced a lot of heat and light.

Definition: A substance that has a specific molecular structure and is created or used in a process involving chemical reactions.

Example: The laboratory tested various chemicals to find a cure for the disease.

Definition: In a way that relates to chemistry or involves chemical processes.

Example: The substances were chemically altered to improve their effectiveness.

Definition: Related to a process in cells where energy is produced by the movement of ions across a membrane, helping to create ATP, which is a key energy source for many biological functions.

Example: The chemiosmotic process is essential for energy production in both plants and animals.