Exam: Cambridge English: C1 Advanced (CAE)

Definition: In a way that is rude, insensitive, or lacking in social manners.

Example: He spoke boorishly at the dinner party, making everyone uncomfortable.

Definition: The quality of being rude, insensitive, or ill-mannered.

Example: His boorishness at the dinner party made everyone uncomfortable.

Definition: Referring to a device or medium that can start a computer's operating system.

Example: You need a bootable USB drive to install the new software on your computer.

Definition: Something that is without use or benefit; it does not help or serve a purpose.

Example: His efforts to change the situation were bootless, as no one was willing to listen.

Definition: Relating to or containing boron, especially in the form of boric acid.

Example: The scientist used a boracic solution to treat the plant's disease.

Definition: A type of chemical compound made of boron and hydrogen, often found in various forms and derivatives.

Example: Borane is used in some chemical reactions as a reducing agent.

Definition: A chemical compound that is a salt or an ester derived from boric acid, often used in various industrial applications.

Example: The laboratory used a borate to stabilize the pH of the solution.

Definition: A chemical compound that contains the borohydride anion, which is used as a strong reducing agent in various chemical reactions.

Example: Sodium borohydride is commonly used in laboratories for reducing metal ions to their corresponding metals.

Definition: Relating to a group of chemical compounds known as boronic acids, which contain boron and are used in various chemical reactions.

Example: The scientist studied the properties of boronic compounds for their potential applications in medicine.

Definition: A type of glass that is made from silica and boron trioxide, known for its durability and resistance to thermal shock.

Example: Borosilicate glass is often used in laboratory equipment because it can withstand high temperatures.