Exam: Cambridge English: B2 First (FCE)

Definition: A person who practices a type of alternative therapy that involves applying pressure to specific points on the feet, hands, or ears to promote healing and relaxation.

Example: She visited a reflexologist to help relieve her stress and improve her overall well-being.

Definition: To flow back or return, especially in a liquid form.

Example: The stomach acid can reflux into the esophagus, causing discomfort.

Definition: A condition where a substance flows back, often used in medical or chemical contexts.

Example: The doctor explained that acid reflux can cause discomfort after eating.

Definition: To heat a liquid in a special container so that the steam produced is cooled and returned to the liquid for further boiling.

Example: The chemist used a reflux method to purify the solution.

Definition: To change the focus to something different or to concentrate again on something.

Example: After reviewing the project, we decided to refocus our efforts on the main goals.

Definition: To change the way something is arranged or organized, often by removing the old format and applying a new one.

Example: I need to reformat my computer to improve its performance.

Definition: Describing something that has been changed in format or structure.

Example: The reformatted document was much easier to read than the original.

Definition: To change the format or arrangement of something, often to make it suitable for a different purpose or to improve its appearance.

Example: She reformatted the document to make it easier to read.

Definition: To change the direction of light or other waves when they pass through a medium, causing them to bend.

Example: The lens can refract light to focus it on the retina.

Definition: The bending of light or sound waves when they pass from one material to another, causing a change in direction.

Example: The refraction of light through a prism creates a rainbow effect.

Definition: A person or thing that refreshes, often referring to a drink or a course that helps someone review or update their knowledge.

Example: After a long day at work, I enjoyed a cold refresher to cool down.

Definition: Related to the process of cooling or freezing something, often used in the context of air conditioning or refrigeration systems.

Example: The refrigerant used in the air conditioner helps to cool the air in the room.

Definition: A substance that is used to cool things down, often found in refrigerators or air conditioning systems.

Example: The technician added more refrigerant to the air conditioning unit to improve its cooling efficiency.

Definition: To make something cold or cool, especially to keep food fresh by lowering its temperature.

Example: You should refrigerate the leftovers to keep them from spoiling.