Definition: In a way that involves eating both plants and animals.

Example: The bear omnivorously foraged for berries and fish in the river.

Definition: A type of tropical orchid that grows on other plants and is known for its bright and attractive flowers.

Example: The oncidium in the garden bloomed beautifully, attracting many visitors.

Definition: A sudden and strong movement or flow of something, often in a forward direction.

Example: The onrush of the crowd made it difficult to move through the narrow street.

Definition: Moving forward quickly or in a forceful way, often used to describe something that is coming towards you rapidly.

Example: The onrushing waves crashed against the shore with great power.

Definition: A type of gemstone that is made of a mineral called chalcedony, which has bands of different colors and is often used in jewelry and decorative items.

Example: The ring was beautifully crafted with a large onyx stone in the center.

Definition: A small, round grain made of calcium carbonate, often found in limestone and used to form certain types of rock.

Example: The geologist examined the oolite to understand its formation process.

Definition: A small, round particle made up of layers of minerals, often found in sedimentary rocks, especially limestone.

Example: The geologist examined the ooliths under a microscope to study their structure.

Definition: Relating to a type of sedimentary rock that is composed of small, rounded grains called oolites, often formed in warm, shallow marine environments.

Example: The geologist studied the oolitic limestone to understand the ancient marine conditions.

Definition: A type of sedimentary rock that is composed of small spherical grains called ooids, which are typically formed in warm, shallow marine waters.

Example: The geologist studied the oolitic limestone to understand its formation process.

Definition: A person who studies or collects birds' eggs.

Example: The oologist carefully examined the eggs for signs of damage.

Definition: A stage in the life cycle of certain plants and algae that produces gametes, which are the reproductive cells.

Example: The oophyte is crucial for the reproduction of mosses and ferns.