Exam: IELTS

Definition: A national policy where a country avoids political or economic connections with other nations.

Example: During the 1930s, the United States adopted a policy of isolationism to avoid involvement in foreign conflicts.

Definition: Relating to a policy of avoiding political or economic involvement with other countries.

Example: The politician's isolationist views were evident in his speeches about foreign relations.

Definition: A person who believes in or supports a policy of avoiding involvement in international affairs or alliances.

Example: The politician was known as an isolationist, preferring to keep the country out of foreign conflicts.

Definition: A necessary building block for proteins that the body cannot produce on its own, and must be obtained from food.

Example: Isoleucine is important for muscle repair and energy production.

Definition: A type of substance that has the same elements and proportions as another but has a different arrangement of atoms, leading to different properties.

Example: Glucose and fructose are isomers because they have the same chemical formula but different structures.

Definition: A type of enzyme that helps change one form of a molecule into another form that has the same atoms but a different arrangement.

Example: Isomerases play a crucial role in metabolic processes by converting substrates into their isomers.

Definition: Relating to or having the same molecular formula but different structural arrangements of atoms.

Example: The two compounds are isomeric, meaning they have the same chemical formula but different structures.

Definition: The condition or phenomenon where two or more compounds have the same chemical formula but different structures or properties.

Example: Isomerism is important in chemistry because different isomers can have very different effects in biological systems.

Definition: The process of changing a chemical compound into a different form that has the same atoms but a different arrangement.

Example: Isomerization is an important process in organic chemistry that helps create different compounds from the same elements.

Definition: Changed from one form to another that has the same chemical formula but a different arrangement of atoms.

Example: The isomerized compound has different properties than its original form.

Definition: Relating to a system or condition where measurements or dimensions are equal, often used in geometry and physiology.

Example: The isometric exercises helped improve her strength without changing the length of her muscles.

Definition: A line that connects points that have the same measurement or value in a specific context, often used in geometry or design.

Example: The architect used an isometric to illustrate the dimensions of the building.