Exam: IELTS

Definition: Relating to a molecule that consists of three or more atoms.

Example: Water is a polyatomic molecule because it has three atoms: two hydrogen and one oxygen.

Definition: A type of strong and lightweight plastic that is often used as a substitute for glass because it is shatter-resistant.

Example: The safety glasses were made from polycarbonate to prevent shattering.

Definition: Having multiple centers of authority or control, rather than a single dominant one.

Example: In a polycentric world, power is distributed among various centers rather than being concentrated in one place.

Definition: Not a valid English word.

Example: Not available

Definition: A system or situation where there are multiple centers of authority, control, or culture, rather than a single dominant one.

Example: The country's polycentrism allows for diverse cultural expressions and governance.

Definition: The practice of using multiple colors in art, especially in decoration for buildings and sculptures.

Example: The ancient Greeks were known for their polychromy, which brought their sculptures to life with vibrant colors.

Definition: Relating to or derived from multiple groups of cells that are genetically different from each other.

Example: The researchers used polyclonal antibodies to enhance the immune response in their experiments.

Definition: A material made up of many small crystals or grains, which are joined together to form a solid structure.

Example: The metal was found to be a polycrystal, consisting of numerous tiny crystals.

Definition: Describing a condition that has many cysts or involves multiple cysts.

Example: Polycystic ovary syndrome can affect a woman's hormone levels and menstrual cycle.

Definition: A condition where there is an unusually high level of hemoglobin in the blood, which can happen due to a decrease in plasma volume or an increase in red blood cells. This can be caused by various factors, including certain diseases or disorders related to breathing or circulation.

Example: The doctor diagnosed him with polycythaemia after reviewing his blood test results.

Definition: A medical condition where there are too many red blood cells in the blood, which can lead to various health issues.

Example: The doctor diagnosed him with polycythemia after reviewing his blood test results.