Exam: GRE (Verbal)

Definition: Describing a substance that has two hydrogen atoms that can be replaced in a chemical reaction.

Example: The dibasic acid can donate two protons in a 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: 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: This term describes plants that have their male and female reproductive parts maturing at different times, which helps them to cross-pollinate instead of self-pollinate.

Example: Many flowering plants are dichogamous, allowing for greater genetic diversity.

Definition: A biological term describing a situation where an organism produces male and female reproductive parts at different times, or changes its sex during its life, to promote cross-fertilization.

Example: Dichogamy is important in some plants to prevent self-fertilization and encourage genetic diversity.

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.

Definition: A person who divides things into two distinct and often opposing categories or groups.

Example: As a dichotomist, she often viewed issues in black and white, without considering the gray areas in between.

Definition: The process of dividing something into two distinct and separate parts or categories.

Example: The dichotomization of the data helped researchers understand the differences between the two groups.