Exam: Cambridge English: C1 Advanced (CAE)

Definition: Relating to a mathematical expression that consists of multiple terms, typically involving variables raised to whole number powers.

Example: In algebra, a polynomial can be used to represent various functions and equations.

Definition: A type of mathematical expression that includes one or more terms, where each term has a constant multiplied by variables raised to whole number powers.

Example: The equation x^2 - 4x + 4 is a polynomial that can be factored into (x - 2)(x - 2).

Definition: Describing something that has more than one nucleus, often used in chemistry to refer to compounds with multiple cyclic structures.

Example: The polynuclear compound exhibited unique chemical properties due to its multiple nuclei.

Definition: A large molecule made up of many smaller units called nucleotides, which are the building blocks of DNA and RNA.

Example: Polynucleotides play a crucial role in genetic information storage and transfer.

Definition: A type of plastic made from the polymerization of olefins, commonly used in packaging and other products.

Example: Polyolefin materials are widely used in the production of plastic bags and containers.

Definition: A type of virus that can cause tumors in certain animals, particularly in young ones.

Example: Researchers are studying polyomavirus to understand its effects on animal health.

Definition: A chain of amino acids that forms part of a protein, usually consisting of 10 to 100 amino acids.

Example: Insulin is a type of polypeptide that helps regulate blood sugar levels.

Definition: Relating to a type of molecule made up of a chain of amino acids, which are the building blocks of proteins.

Example: The polypeptidic structure of the enzyme is crucial for its function.

Definition: Describing an organism that eats a variety of different foods.

Example: Some species of birds are polyphagous, meaning they can eat fruits, seeds, and insects.

Definition: Relating to or involving multiple phases, especially in contexts like electricity or matter.

Example: The polyphase system is more efficient for transmitting electrical power over long distances.

Definition: Relating to a group of chemical compounds known as polyphenols, which are found in plants and have antioxidant properties.

Example: Green tea is rich in polyphenolic compounds that may benefit health.

Definition: A type of chemical compound that consists of multiple phenol units, often found in plants and known for their antioxidant properties.

Example: Polyphenolic compounds are commonly found in fruits, vegetables, and tea, contributing to their health benefits.