Definition: A type of jellyfish that is in the medusa stage of its life cycle, typically belonging to the hydrozoan group.

Example: The hydromedusa floated gracefully in the water, showcasing its delicate tentacles.

Definition: A type of weather phenomenon that includes forms of precipitation like rain, snow, fog, or clouds, created when water vapor in the air condenses.

Example: The hydrometeor fell gently from the sky, covering the ground in a soft layer of snow.

Definition: Describing a substance that does not mix with water or repels it.

Example: The hydrophobic coating on the fabric keeps it dry in the rain.

Definition: A type of plant that is specially adapted to live in water or in very wet conditions.

Example: The pond was filled with various hydrophytes, creating a lush environment for aquatic life.

Definition: In a way that involves growing plants in a nutrient solution without soil.

Example: The vegetables were grown hydroponically in a controlled environment.

Definition: A type of ecological succession that starts in water and gradually changes to land, moving through stages like swamp and marsh before becoming a forest.

Example: The hydrosere is an important process in the development of wetlands and forests from aquatic environments.

Definition: The part of the Earth that is made up of all the water, including oceans, rivers, lakes, and water vapor in the air.

Example: The hydrosphere plays a crucial role in regulating the Earth's climate.

Definition: Having water as part of its structure or composition, often in a chemical form.

Example: The mineral is classified as hydrous because it contains water molecules in its crystal structure.

Definition: Relating to a group of small, mostly marine animals that are part of the class Hydrozoa, which includes jellyfish and corals.

Example: The hydrozoan species can be found in both freshwater and saltwater environments.

Definition: A type of small sea creature that belongs to a group of animals called coelenterates, which includes both solitary and colonial forms, such as hydras and jellyfish.

Example: The hydrozoan is often found in both freshwater and marine environments.

Definition: A type of large, carnivorous animal found in Africa and Asia, known for scavenging and having strong jaws and coarse fur.

Example: The hyena is often seen scavenging for food in the savannah.