Definition: A recurring period when female mammals are sexually excited and ready to mate, usually occurring before ovulation.

Example: The female dog is in estrus and will be receptive to male dogs during this time.

Definition: Relating to areas where freshwater from rivers meets and mixes with saltwater from the sea, typically characterized by unique ecosystems.

Example: The estuarial region is home to a diverse range of wildlife.

Definition: Relating to or found in an area where a river meets the sea, often characterized by a mix of fresh and saltwater.

Example: The estuarine environment is home to many unique species of plants and animals.

Definition: A place where a river meets the sea, where fresh water from the river mixes with salt water from the ocean.

Example: The estuary is home to many unique species of fish and birds.

Definition: Happening every year, especially referring to the summer winds that blow from the north in the Mediterranean region.

Example: The etesian winds bring a refreshing breeze to the coastal areas during the hot summer months.

Definition: Describing something that is very light, delicate, and often seems otherworldly or spiritual.

Example: The dancer moved with an ethereal grace that captivated the audience.

Definition: Relating to a substance believed to fill space and be the medium for light and other forms of energy.

Example: The artist's work had an etheric quality that made it feel otherworldly.

Definition: Relating to the study of how different cultures use plants, especially for medicinal purposes.

Example: The ethnobotanical research revealed how indigenous tribes utilize local plants for healing.

Definition: A type of plant that is studied in relation to its traditional uses by different cultures, often for medicinal or practical purposes.

Example: The ethnobotanical research revealed many plants used by indigenous tribes for healing.

Definition: A person who studies the relationship between people and plants, especially how different cultures use plants for food, medicine, and other purposes.

Example: The ethnobotanist conducted research on how indigenous tribes use local plants for traditional medicine.

Definition: The study of how different cultures use plants for food, medicine, and other purposes.

Example: Ethnobotany helps us understand the relationship between people and their environment through the use of plants.