Exam: IELTS

Definition: A long and angry speech or piece of writing that criticizes someone or something very strongly.

Example: The politician's diatribe against his opponents was filled with harsh accusations.

Definition: A type of chemical compound that has a five-membered ring made up of three carbon atoms and two nitrogen atoms, which can exist in forms like pyrazole and imidazole.

Example: Researchers are studying the properties of diazole compounds for potential applications in pharmaceuticals.

Definition: A type of chemical compound that contains a specific group of nitrogen atoms attached to an organic molecule, often used in making dyes.

Example: The chemist synthesized a diazonium compound for the dyeing process.

Definition: The process of converting an aromatic primary amine into a diazonium compound, usually using nitrous acid.

Example: The chemist performed diazotization to create the diazonium compound needed for the reaction.

Definition: A chemical compound made of two benzene rings connected to a furan ring, often used in chemical processes and can be toxic, especially in its chlorinated forms.

Example: Dibenzofuran is often studied for its environmental impact due to its toxicity.

Definition: A type of compound that has two carboxyl groups in its molecular structure.

Example: Citric acid is an example of a dicarboxylic acid that is found in citrus fruits.

Definition: Referring to a chromosome that has two centromeres instead of the usual one, which is an unusual condition in genetics.

Example: The dicentric chromosome can lead to problems during cell division.

Definition: Involving a lot of risk or danger; uncertain and potentially harmful.

Example: The weather looks dicey, so we should be careful about going hiking today.

Definition: A colorless liquid chemical compound made of carbon, hydrogen, and chlorine, used mainly as a solvent and in the production of other chemicals.

Example: Dichloroethane is often used in laboratories for dissolving various substances.

Definition: Relating to a situation where different sounds are presented to each ear, often used in auditory tests or experiments.

Example: In a dichotic listening test, participants hear different messages in each ear to assess their auditory processing.