Exam: Cambridge English: B2 First (FCE)

Definition: Relating to a substance that makes things move smoothly by reducing friction.

Example: The mechanic used a lubricating oil to ensure the engine ran smoothly.

Definition: To apply a substance to reduce friction between surfaces, making movement smoother.

Example: He is lubricating the engine to ensure it runs smoothly.

Definition: To move in a heavy, awkward way, often making a noise as you go.

Example: The bear lumbered through the forest, making the branches shake.

Definition: Wood that has been cut into boards or planks, often used for building and construction.

Example: The carpenter bought some lumber to build a new deck.

Definition: To cut down trees and prepare them for use as wood or timber.

Example: The workers lumbered the trees to create space for the new road.

Definition: A unit of measurement for the amount of light emitted by a source, or the open space within a tubular structure in biology.

Example: The lumen is used to measure the brightness of light bulbs.

Definition: A device that holds and provides light, often used in homes and buildings to illuminate spaces.

Example: The new luminaire in the living room brightened up the entire area.

Definition: Something that gives off or reflects light, making it bright and easy to see. It can also refer to ideas or writing that are clear and inspiring.

Example: The stars looked luminous against the dark night sky.

Definition: In a way that produces or reflects light; brightly or glowingly.

Example: The stars shone luminously in the night sky.

Definition: In a way that is clumsy or awkward, often moving slowly and heavily.

Example: He walked lumpishly across the room, tripping over his own feet.

Definition: Relating to the moon or resembling it in some way.

Example: The lunar landscape is filled with craters and dust.

Definition: A meal that is eaten in the middle of the day, often more formal than a regular lunch.

Example: The company held a luncheon to celebrate the successful project.

Definition: The quality of being very rich, sweet, and appealing to the senses, often used to describe food or beauty.

Example: The lusciousness of the ripe peaches made them irresistible.