Definition: A type of chemical compound that is derived from perchloric acid, often used in various industrial applications.

Example: The laboratory used perchlorate in their experiments to study its properties.

Definition: To pass through a filter or porous material, often referring to liquids, or to spread gradually in a lively manner.

Example: The coffee will percolate through the filter, creating a rich flavor.

Definition: A liquid that has passed through a filter or porous material, often used in the context of brewing coffee or extracting flavors.

Example: The coffee was made from a rich percolate that had been brewed for several hours.

Definition: To cause a liquid to pass through a filter or porous material, often used in the context of making coffee.

Example: She decided to percolate some coffee for the morning meeting.

Definition: The process of a liquid slowly passing through a material that has small holes, allowing it to filter or seep through.

Example: The percolation of water through the soil is essential for plant growth.

Definition: Something that has been made flawless or without any mistakes.

Example: The artist presented a perfected version of her sculpture after many revisions.

Definition: To make something as good as it can be; to improve something until it is flawless or complete.

Example: She perfected her skills through years of practice.

Definition: A type of chemical compound made by replacing all hydrogen atoms in a hydrocarbon with fluorine atoms.

Example: Perfluorocarbons are used in various applications, including as blood substitutes in medical treatments.

Definition: A hole or a series of holes made by piercing or boring through a material, often used to separate sections in a sheet or roll.

Example: The document had several perforations along the edge to make it easier to tear off sections.

Definition: A beautiful and kind supernatural being from Persian mythology, often depicted as a fairy or a graceful girl.

Example: In the story, the peri helped the lost traveler find his way home.

Definition: A term referring to the nascent or immature outer layer of cells in the brain, often associated with early development stages.

Example: The periblem plays a crucial role in the formation of the brain's structure during early development.

Definition: Relating to a specific type of chemical reaction that involves the rearrangement of electrons in a cyclic manner, often occurring in organic chemistry.

Example: The pericyclic reaction is an important concept in understanding molecular transformations.

Definition: A type of rock that is mostly made up of olivine and other minerals, often found deep in the Earth's mantle.

Example: Geologists study peridotite to understand the composition of the Earth's interior.