Definition: Relating to mirrors and the images they reflect, or using mirrors to direct light.

Example: The catoptric system in the telescope allows for clearer images of distant stars.

Definition: A type of molding that has a curved shape, resembling a quarter of a circle, often used in architecture and design.

Example: The architect chose a cavetto to add elegance to the ceiling design.

Definition: To create bubbles in a liquid when the pressure drops below the liquid's vapor pressure.

Example: The propeller cavitated, causing a loss of efficiency in the boat's performance.

Definition: The process where bubbles form and collapse in a liquid, often caused by mechanical forces or rapid movement, which can create cavities in materials or tissues.

Example: Cavitation can cause damage to the propeller blades of a ship due to the rapid formation and collapse of bubbles in the water.

Definition: A device that measures the height of clouds above the ground using light or other methods.

Example: The meteorologist used a ceilometer to determine the cloud heights for the weather report.

Definition: A thin sheet of celluloid used in animation, where images are drawn or painted to create a film.

Example: The animator carefully placed the cel on the light table to check the colors.

Definition: A mineral that is mainly made of strontium sulfate and can be found in various colors like white, blue, or red-brown, often found in sedimentary rocks.

Example: Celestite is often used in the production of strontium compounds for fireworks and other applications.

Definition: A small inner room or sanctuary in a temple or church where religious ceremonies are held or where a statue is placed.

Example: The priest entered the cella to prepare for the ceremony.

Definition: A type of sugar made up of two simple sugars, formed from breaking down cellulose.

Example: Cellobiose is often used in research related to plant materials and digestion.

Definition: A purified form of pyroxylin that is used to embed specimens for examination under a microscope.

Example: The scientist used celloidin to prepare the tissue samples for microscopic analysis.