Exam: TOEFL

Definition: A type of alcohol that is derived from butane, used mainly as a solvent and in chemical reactions.

Example: Butanol is commonly used in the production of plastics and other chemicals.

Definition: A clear, colorless liquid that is flammable and used in various products like paints, adhesives, and cleaning fluids.

Example: Butanone is commonly used as a solvent in the manufacturing of plastics.

Definition: A person who sells meat or prepares animals for food by killing and dressing them.

Example: The butcher at the market always has the freshest cuts of meat.

Definition: To kill or prepare animals for food, often in a rough or careless way.

Example: The chef decided to butcher the chicken himself for the special dish.

Definition: A type of hydrocarbon that is part of the alkene family, consisting of four carbon atoms and having at least one double bond.

Example: Butene is commonly used in the production of plastics and other chemicals.

Definition: A person, usually a man, who works in a household and is responsible for managing the staff, serving food and drinks, and taking care of the household's needs.

Example: The butler greeted the guests at the door and showed them to the dining room.

Definition: A creamy substance made from milk or cream, used as a spread or in cooking.

Example: I like to put butter on my toast in the morning.

Definition: To spread or place a creamy substance made from milk or cream onto food.

Example: I like to butter my toast before adding jam.

Definition: To fasten or close something using buttons, often referring to clothing.

Example: She buttoned her coat before going outside.

Definition: A small, usually round object that is used to fasten clothing or as a decorative item, often attached to a garment by passing through a hole.

Example: She sewed a new button onto her coat after the old one fell off.

Definition: To fasten or secure something by attaching buttons, or to close something, like clothing, using buttons.

Example: She buttoned her coat before going outside in the cold.

Definition: Changed to include one or more butyl groups, which are a type of chemical structure.

Example: The butylated compound is used in various industrial applications.

Definition: To add a butyl group to a compound, often used in chemistry to modify properties of substances.

Example: The chemist butylated the compound to enhance its stability.

Definition: A clear, highly flammable liquid used in the production of synthetic materials and resins.

Example: Butyraldehyde is commonly used in the manufacture of plastics and other chemical products.

Definition: A type of chemical compound that is derived from butyric acid, often found in various biological processes and used in food and pharmaceuticals.

Example: Butyrate is known for its role in gut health and is produced by the fermentation of dietary fibers.