Exam: TOEFL

Definition: Describing a body of water that has low levels of nutrients and high levels of dissolved oxygen, often resulting in clear water and limited plant growth.

Example: The oligotrophic lake is known for its crystal-clear waters and healthy fish population.

Definition: A condition where a person produces less urine than normal.

Example: The doctor diagnosed her with oliguria after noticing her reduced urine output.

Definition: Having a shape that resembles an olive, typically used to describe certain anatomical structures or objects.

Example: The olivary nucleus is an important part of the brainstem.

Definition: A person who specializes in a particular branch of science or knowledge, often indicated by the suffix 'ology'.

Example: An ologist studies various aspects of their specific field, such as biology or geology.

Definition: A person who looks into complaints and helps resolve issues, often acting as a mediator between individuals and organizations.

Example: The ombudsman helped the students resolve their issues with the university administration.

Definition: The role or position of a person who investigates complaints and helps resolve issues, often in an organization or government.

Example: She was appointed to the ombudsmanship to address employee grievances.

Definition: A person who investigates complaints and helps to resolve issues, often in a neutral and impartial way.

Example: The ombudsperson helped the employees address their concerns about workplace policies.

Definition: A dish made from beaten eggs that are cooked until firm and usually folded over a filling like cheese, vegetables, or meat.

Example: I had a delicious cheese omelet for breakfast this morning.

Definition: A sign or event that is believed to predict what will happen in the future, often related to good or bad luck.

Example: The dark clouds were seen as an omen of the coming storm.

Definition: A sign or event that is believed to predict the future, often indicating something good or bad.

Example: The dark clouds were seen as an omen of the coming storm.

Definition: A fold of tissue in the abdomen that connects the stomach to other organs, helping to support and protect them.

Example: The surgeon carefully examined the omentum during the operation to ensure there were no issues.