Exam: TOEFL

Definition: A mild contagious disease caused by a virus, often resulting in a rash and fever, and can lead to serious birth defects if a pregnant woman is infected.

Example: Rubella is less severe than measles but can still pose risks to pregnant women and their babies.

Definition: A contagious viral disease that causes a red rash and fever, commonly known as measles.

Example: Rubeola is a serious illness that can lead to complications if not treated properly.

Definition: Having a healthy, reddish color, often associated with good health or vitality.

Example: After spending a day in the sun, his cheeks were rubicund and glowing.

Definition: A soft, silvery-white metal that belongs to the alkali group. It can catch fire easily in air and reacts strongly with water. It is used in devices like photocells and vacuum tubes.

Example: Rubidium is used in some types of atomic clocks and research applications.

Definition: A term used to describe something that is red or has a reddish color.

Example: The rubric markings on the paper made it stand out.

Definition: A set of guidelines or criteria used to evaluate or grade something, often in education or assessments.

Example: The teacher provided a rubric to help students understand how their projects would be graded.

Definition: To organize or mark something with headings or rules, often in a formal way.

Example: The teacher decided to rubricate the assignment guidelines to make them clearer for the students.

Definition: A style of writing in which certain parts of the text are highlighted or decorated, often in red, especially in old manuscripts.

Example: The ancient manuscript featured beautiful rubrication that made the important sections stand out.

Definition: Describing something that lacks direction or guidance, often used metaphorically to refer to a person or organization that is aimless or without a clear plan.

Example: After the leader resigned, the company felt rudderless and unsure of its future direction.

Definition: Not polite; showing a lack of respect or good manners.

Example: It was rude of him to interrupt her while she was speaking.

Definition: In a way that shows a lack of respect or politeness.

Example: He spoke rudely to the waiter, which made everyone uncomfortable.