Definition: Related to the natural light display in the sky, especially in polar regions, or resembling the colors of dawn.

Example: The auroral lights danced across the night sky, creating a breathtaking spectacle.

Definition: Relating to gold, particularly in a form where it has a valence of one.

Example: The aurous compounds are often used in various chemical reactions.

Definition: A chemical element that is a yellow precious metal, often used for making jewelry and coins.

Example: The ring was made of pure aurum, shining brightly in the sunlight.

Definition: To listen to the sounds made by the internal organs of a patient, usually with a stethoscope, to check for any abnormalities.

Example: The doctor will auscultate your lungs to ensure they are healthy.

Definition: The process of listening to the sounds made by internal organs, like the heart and lungs, to help diagnose medical conditions.

Example: The doctor performed an auscultation to check for any irregular heartbeats.

Definition: Related to the act of listening to sounds within the body, typically using a stethoscope, to diagnose medical conditions.

Example: The doctor used an auscultatory method to check the patient's heart sounds.

Definition: To change the shape or form of a material, especially metal, through processes like heating and cooling to enhance its durability.

Example: The blacksmith will ausform the steel to make it stronger and more resistant to wear.

Definition: A type of solid mixture of carbon and iron that does not attract magnets, often used to create steel that resists rust and corrosion.

Example: Austenite is an important phase in the production of stainless steel.

Definition: Relating to a specific type of steel structure that is stable at high temperatures and is non-magnetic.

Example: Austenitic stainless steel is commonly used in kitchen appliances due to its resistance to corrosion.

Definition: A type of organic substance that is produced in one part of a living organism and has a specific effect on another part of the organism, often acting like a hormone.

Example: Serotonin is an example of an autacoid that plays a role in regulating mood and digestion.