Exam: Cambridge English: B2 First (FCE)

Definition: Being alert and observant, paying close attention to what is happening around you.

Example: The watchful mother kept an eye on her children as they played in the park.

Definition: A design or mark that is made on paper during its production, which can be seen when the paper is held up to the light.

Example: The artist added a subtle watermark to the paper to prevent forgery.

Definition: To create a faint design or pattern on paper or other materials that is visible when held up to the light, often used for security purposes.

Example: The company decided to watermark their documents to prevent unauthorized copying.

Definition: A unit of power in the International System of Units, equal to one joule per second, used to measure the rate of energy transfer.

Example: The light bulb uses 60 watts of power.

Definition: A measure of electrical power, usually expressed in watts or kilowatts, that indicates how much energy an appliance or device uses.

Example: The wattage of the light bulb determines how bright it will be.

Definition: To move one's hand or an object back and forth or up and down as a way to greet or signal someone.

Example: She waved at her friend from across the street.

Definition: A shape or movement that rises and falls, like the motion of water or a hand gesture.

Example: The children played in the waves at the beach.

Definition: To move something back and forth or up and down, often to greet someone or get their attention.

Example: She waved her hand to say hello.

Definition: A visual or mathematical representation of a wave, showing its shape and characteristics like frequency and amplitude over time.

Example: The engineer analyzed the waveform to understand the signal's behavior.

Definition: Made less strong or powerful than before.

Example: The storm had weakened the old tree, making it more likely to fall.

Definition: To make something less strong or less powerful.

Example: The storm weakened the old tree, causing it to fall.

Definition: The state or condition of being not strong or having less power, ability, or effectiveness.

Example: Her weakness for chocolate often leads her to indulge in sweets.

Definition: The condition of having a lot of money, property, or valuable possessions.

Example: His wealthiness allowed him to travel the world and enjoy luxury.

Definition: The quality of a piece of clothing that makes it comfortable and suitable for wearing over a long time.

Example: The wearability of the jacket makes it perfect for everyday use.