Definition: A rare mineral that is primarily composed of sodium aluminum fluoride, often used in the production of aluminum and as a flux in metallurgy.

Example: Cryolite is an important mineral in the aluminum industry.

Definition: A colorless and mostly inactive gas that is found in small amounts in the air and is mainly used in lighting, such as in gas discharge lamps.

Example: The scientist explained how krypton is used in some types of light bulbs.

Definition: A type of gemstone that is a lilac or pinkish-lilac color, made from a mineral called spodumene.

Example: She wore a beautiful necklace with a kunzite pendant that sparkled in the light.

Definition: A measure in statistics that describes the shape of a distribution's peak, indicating how much of the data is concentrated around the mean compared to a normal distribution.

Example: In statistics, kurtosis helps to understand the distribution of data points in relation to the mean.

Definition: A serious and deadly brain disease caused by a type of infectious protein, often linked to eating human brain tissue, particularly in certain groups in New Guinea.

Example: The villagers were warned about the dangers of kuru, a disease that could be transmitted through cannibalism.

Definition: A mineral that is usually blue or green and is made of aluminum silicate. It is often used in materials that need to withstand high temperatures.

Example: Kyanite is commonly used in the production of heat-resistant ceramics.

Definition: A type of graph that shows the movement or changes in a physical quantity over time, created by a device called a kymograph.

Example: The scientist analyzed the kymogram to understand the pressure changes in the experiment.

Definition: A device that records changes in pressure or motion, often used in medical settings to track things like blood pressure or muscle tension.

Example: The doctor used a kymograph to monitor the patient's blood pressure during the procedure.

Definition: Relating to a device that records the motion of a surface or fluid, often used in scientific experiments to measure changes over time.

Example: The kymographic analysis provided detailed insights into the fluid dynamics of the experiment.

Definition: A condition where the spine curves abnormally backward, causing a hunch in the upper back.

Example: The doctor diagnosed her with kyphosis after examining her posture.