Exam: IELTS

Definition: A strong and protective material that is found in the outer shells of insects and some fungi, made of a type of sugar that contains nitrogen.

Example: The exoskeleton of the beetle is made of chitin, which helps protect it from predators.

Definition: Relating to or made of a tough, protective substance found in the shells of insects and crustaceans.

Example: The chitinous exoskeleton of the crab protects it from predators.

Definition: Showing kindness, respect, and honor, especially towards women; behaving in a way that is considerate and generous.

Example: He was chivalrous in his treatment of others, always opening doors and offering help.

Definition: In a way that shows honor, bravery, and respect, often associated with knights or noble behavior.

Example: He chivalrously offered his seat to the elderly woman on the bus.

Definition: The quality of being brave, honorable, and courteous, especially towards women.

Example: His chivalrousness was evident when he helped the elderly lady cross the street.

Definition: A code of conduct associated with knights, emphasizing qualities like bravery, honor, and respect for women.

Example: The knight was admired for his chivalry and noble deeds.

Definition: Relating to or caused by a type of bacteria known as Chlamydia, which can cause infections in humans and animals.

Example: The doctor diagnosed her with a chlamydial infection after reviewing her symptoms.

Definition: A skin condition that looks like acne and is caused by long-term contact with certain chemicals, especially chlorinated compounds.

Example: After working in the chemical plant for years, he developed chloracne on his face and back.

Definition: A clear, colorless liquid that is used in making certain chemicals, including DDT and chloral hydrate. It has a strong smell and can irritate the lungs.

Example: Chloral is used in the production of various chemical compounds.

Definition: A type of chemical compound that includes both nitrogen and chlorine, often used in various industrial applications.

Example: Chloramine is commonly used as a disinfectant in water treatment processes.