Definition: To enter or pass through something, often with force or effort.

Example: The sunlight began to penetrate the thick forest canopy.

Definition: To enter or pass through something, often in a way that allows influence or understanding; to affect deeply or to spread throughout.

Example: The sunlight began to penetrate the thick clouds, brightening the day.

Definition: A tool used to measure how easily something can be penetrated, often used for testing the firmness of materials like soil or the strength of radiation.

Example: The engineer used a penetrometer to assess the soil's stability before construction.

Definition: Describing something that has a tuft or cluster of fine hairs or filaments, similar to those found on certain plants or insects.

Example: The caterpillar was penicillate, with soft, fine hairs covering its body.

Definition: A type of mold that is usually bluish-green and belongs to a specific group of fungi. These fungi grow on decaying organic matter and are important for making antibiotics like penicillin and certain types of cheese.

Example: The cheese was flavored with a special type of penicillium that gave it a unique taste.

Definition: A pipe or channel that carries water to a water wheel or turbine, often used to control the flow of water.

Example: The engineers installed a new penstock to improve the efficiency of the hydroelectric plant.

Definition: Describes something that is confined or restricted, often used to refer to being trapped or enclosed in a space.

Example: The pent animals were kept in a small enclosure away from the public.

Definition: To confine or restrict something, often used in the context of emotions or thoughts that are held back.

Example: She felt pent up after being stuck in the house all week.

Definition: A collection or set of five items or elements.

Example: The pentad of senses includes sight, hearing, touch, taste, and smell.

Definition: A shape with five sides and five angles, or a specific building in Washington, D.C. that houses the U.S. Department of Defense.

Example: The Pentagon is an important symbol of the U.S. military.

Definition: This word describes something that has five sides and five angles, like a shape or figure.

Example: The architect designed a pentagonal building that stood out in the city.

Definition: Describing a shape that has five faces or sides.

Example: The architect designed a pentahedral structure for the new building.