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 greenish mineral made of silicate that contains iron and magnesium, commonly found in certain types of rocks and used in construction materials.

Example: Olivine is often used in the production of refractory materials due to its high melting point.

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: The third part of the stomach in animals that chew cud, found between two other stomach sections.

Example: In ruminants, the omasum plays a crucial role in the digestion process.

Definition: The last letter of the Greek alphabet, often used to signify the end or the last in a series.

Example: In mathematics, the symbol omega is often used to represent the limit of a sequence.

Definition: Relating to a fold of peritoneum that connects the stomach with other abdominal organs.

Example: The surgeon examined the omental tissue during the operation.

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.

Definition: The 15th letter in the Greek alphabet, represented by the symbol 'Ο' in uppercase and 'ο' in lowercase.

Example: In the Greek alphabet, omicron comes after lambda and before pi.