Exam: IELTS

Definition: A condition characterized by an excess of bile, often leading to nausea or discomfort.

Example: After eating too much rich food, she felt a wave of biliousness wash over her.

Definition: A reddish-yellow pigment found in bile and blood, produced when the body breaks down hemoglobin from old red blood cells. High levels can lead to jaundice, a condition that causes yellowing of the skin and eyes.

Example: The doctor checked the patient's bilirubin levels to see if they were causing the jaundice.

Definition: A large board used to display advertisements in public areas, often seen along roads or on buildings.

Example: The new advertisement on the billboard caught everyone's attention as they drove by.

Definition: To promote something by displaying it prominently, similar to how advertisements are shown on large signs in public places.

Example: The company decided to billboard their new product to attract more customers.

Definition: To stay or be housed in a particular place, often temporarily.

Example: During the war, soldiers would billet in local homes.

Definition: A billet is a small piece of material, often wood or metal, that can be used for various purposes, such as fuel or manufacturing. It can also refer to a job or position of employment.

Example: He used a billet of wood to start the fire in the fireplace.

Definition: To assign a place for someone to stay, especially for soldiers, often in a temporary manner.

Example: The commander decided to billet the troops in the nearby town.

Definition: A number that is equal to one thousand million (1,000,000,000) or 10 to the power of 9.

Example: The company made a profit of one billion dollars last year.

Definition: A very large number, often used to describe amounts that are in the thousands of millions.

Example: The company made billions of dollars in profit last year.

Definition: A billion is the number equal to one thousand million, or 1,000,000,000.

Example: The population of the country reached billions in the last decade.

Definition: Made from two different types of metal joined together.

Example: The engineer used a bimetal strip to create a more efficient thermostat.

Definition: A system where two metals, usually gold and silver, are used together as money, with a fixed value ratio between them.

Example: Bimetallism was once a popular monetary system in many countries.

Definition: Relating to a monetary system that uses two different metals as the basis for currency, typically gold and silver.

Example: The country adopted a bimetallistic standard to stabilize its economy.

Definition: Describing something that has two parts or components, or relates to a system that uses two as its base.

Example: In computer science, binary code is used to represent data using only two symbols: 0 and 1.

Definition: A system or concept that involves two parts or options, often used in mathematics and computing.

Example: In computing, data is often represented in a binary format, using only 0s and 1s.