Definition: A mineral that is a source of arsenic, typically appearing as silver-white to gray and often found in crystal form.

Example: Arsenopyrite is often mined for its arsenic content.

Definition: A colorless and very poisonous gas that has a garlic-like smell, used in chemical processes and warfare.

Example: The laboratory was evacuated due to the presence of arsine, which is highly toxic.

Definition: Describing water that rises to the surface naturally due to pressure from underground sources.

Example: The artesian well provided fresh water without the need for a pump.

Definition: A type of resting cell found in some bacteria and fungi, previously thought to be a spore, that can form chains and is involved in reproduction.

Example: The arthrospores of the fungus were observed under the microscope, showing their characteristic chain formation.

Definition: A person who is skilled in making things, especially by hand, or who creates or invents something.

Example: The artificer crafted a beautiful piece of jewelry from silver and gemstones.

Definition: Created by humans rather than occurring naturally; not genuine or real.

Example: The scientist developed an artificial intelligence program to help with data analysis.

Definition: In a way that is not natural or genuine, often created by human effort or technology.

Example: The flowers were artificially colored to look more vibrant.

Definition: Relating to a type of organic compound that is derived from an aromatic hydrocarbon by losing one hydrogen atom.

Example: The chemist studied the properties of aryl compounds in her research.

Definition: A type of chemical group that comes from an aromatic hydrocarbon, formed by taking away one hydrogen atom.

Example: The chemist used an aryl group in the synthesis of the new compound.

Definition: Able to be climbed or moved up.

Example: The mountain trail is steep but ascendable for experienced hikers.

Definition: Able to be climbed or moved up; suitable for ascending.

Example: The mountain trail is quite steep, but it is still ascendible for experienced hikers.