Exam: TOEFL

Definition: A type of electrolyte that consists of long chains of molecules, often proteins or polysaccharides, which can carry an electric charge in solution.

Example: Polyelectrolytes are used in various applications, including water treatment and drug delivery.

Definition: A type of organic compound that has multiple double bonds in its structure, typically found in long chains of carbon atoms.

Example: The chemist studied the properties of polyenes to understand their reactivity.

Definition: A type of plastic made from the polymerization of ethylene, commonly used for making containers, kitchen items, and packaging materials.

Example: The grocery store uses polyethylene bags for customers to carry their purchases.

Definition: A person who has more than one spouse at the same time.

Example: In some cultures, a polygamist may have multiple wives or husbands.

Definition: Describing a relationship where a person has more than one spouse or partner at the same time.

Example: In some cultures, being polygamous is accepted and practiced openly.

Definition: The practice of being married to more than one person at the same time.

Example: In some cultures, polygamy is accepted and practiced openly.

Definition: A type of gene that is part of a group of genes that work together to influence a specific trait or characteristic in an organism, often leading to a variety of outcomes.

Example: The height of a plant can be influenced by several polygenes working together.

Definition: Describing something that comes from multiple sources or origins.

Example: The theory of polygenetic evolution suggests that different species may have originated from various ancestral lines.

Definition: Relating to or influenced by multiple genes, often used in the context of traits or characteristics that are controlled by more than one gene.

Example: Height is a polygenic trait, meaning it is influenced by several different genes.

Definition: Relating to the ability to speak or write in multiple languages.

Example: She is a polyglot who can communicate in five different languages.

Definition: A person who can speak, read, or write in multiple languages.

Example: She is a polyglot who can communicate in five different languages.