Exam: TOEFL

Definition: Describing a ruler or government that uses power in a cruel and oppressive way.

Example: The tyrannous regime imposed strict laws that limited the freedoms of its citizens.

Definition: A form of government where one person has complete control and power, often used in a cruel or unjust way.

Example: The people rose up against the tyranny of the dictator.

Definition: A person who rules with absolute power in a cruel or oppressive way, often disregarding laws and fairness.

Example: The people rebelled against the tyrant who ruled their country with fear and violence.

Definition: A rubber covering around a wheel that helps a vehicle move smoothly on the road.

Example: I need to replace the flat tyre on my car before the trip.

Definition: A type of enzyme found in plants and animals that helps produce melanin and other pigments by causing a chemical reaction with tyrosine.

Example: Tyrosinase is essential for the darkening of fruits and vegetables when they are cut and exposed to air.

Definition: A type of amino acid that is important for producing certain hormones and pigments in the body.

Example: Tyrosine is found in many protein-rich foods and is important for brain function.

Definition: A system of government in which a tsar (or czar) has absolute power, often associated with the autocratic rule in Russia before the 1917 revolution.

Example: Tzarism was characterized by the concentration of power in the hands of the tsar, limiting the influence of the people.

Definition: A person who supports or is associated with the rule of a tsar, especially in Russia before the 1917 revolution.

Example: The tzarist regime was known for its autocratic rule and strict control over the population.

Definition: Existing or being present everywhere at the same time.

Example: Smartphones have become ubiquitous in modern society, found in the hands of people from all walks of life.

Definition: In a way that is present everywhere at the same time.

Example: Smartphones are used ubiquitously in modern society.