Definition: A structure on a chromosome that helps attach it to spindle fibers during cell division.

Example: The kinetochore plays a crucial role in ensuring that chromosomes are properly separated during mitosis.

Definition: A vertical post that supports a roof or a beam in a building, often found in timber framing.

Example: The architect designed the house with a strong kingpost to support the roof structure.

Definition: Bent or twisted into a tight curl.

Example: The kinked hose made it difficult to water the garden.

Definition: To bend or twist something in a way that creates a sharp angle or curve.

Example: The hose kinked, causing the water flow to stop.

Definition: A loud horn or alarm that makes a strong sound, often used to warn people or get their attention.

Example: The klaxon sounded, alerting everyone to evacuate the building.

Definition: A device that uses electric fields to amplify or generate high-frequency signals, often used in radar and communication systems.

Example: The engineers installed a klystron to improve the signal strength of the radar system.

Definition: A person who shapes or chips away at stone or other materials to create tools or artifacts.

Example: The knapper skillfully crafted a sharp arrowhead from flint.

Definition: A small raised area or series of ridges on a surface, often found on tools or objects to help grip them better.

Example: The knurl on the handle made it easier to hold onto the tool while working.

Definition: To create small ridges or grooves on a surface, often to improve grip or handling.

Example: The technician will knurl the metal handle to make it easier to hold.

Definition: A strong type of paper made from wood pulp, often used for making bags and wrapping materials.

Example: The store used kraft paper to package the products securely.

Definition: A type of musical instrument that is a double-reed woodwind, similar to an oboe, often used in Renaissance music.

Example: The krumhorn produces a unique, reedy sound that is characteristic of early music ensembles.

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.