Definition: Relating to a flat surface or having two dimensions.

Example: The architect designed a planar structure that blended seamlessly with the landscape.

Definition: A type of flatworm that is usually thin and smooth, often found in freshwater environments. These worms belong to the genus Planaria and are known for their ability to regenerate lost body parts.

Example: The planaria can regenerate its tail if it is cut off.

Definition: A type of small, mostly freshwater flatworm that has a soft body, a three-branched digestive system, and can regrow parts of its body.

Example: The planarian is known for its remarkable ability to regenerate lost body parts.

Definition: The state or quality of being flat or two-dimensional.

Example: The planarity of the surface is essential for the construction of the building.

Definition: The process of making a surface flat or level, often through erosion or deposition by natural forces like water or wind.

Example: The planation of the landscape created a smooth area for the new park.

Definition: A flat, round piece of metal that is used to make coins or hold substances for measurement.

Example: The mint received a shipment of planchets to begin producing new coins.

Definition: A large celestial object that orbits a star, has enough mass to be round, and is not a moon of another object.

Example: Earth is the third planet from the sun in our solar system.

Definition: A place or building where people can watch shows about stars, planets, and other space objects, often using a special dome-shaped screen.

Example: We visited the planetarium to learn more about the universe and see a show about the stars.

Definition: Relating to or resembling planets, or affecting the whole world.

Example: The scientists studied the planetary movements to understand the solar system better.

Definition: Having characteristics or qualities similar to a planet.

Example: The newly discovered celestial body has a planetlike atmosphere that could support life.