Definition: Having the shape or form of a pyramid, typically with a square or triangular base and sloping sides that meet at a point.

Example: The architect designed a pyramidical structure that stood out in the city skyline.

Definition: The method of gradually increasing and then decreasing the amount of something, often used in sports or training to improve performance.

Example: The athlete used pyramiding to enhance his strength before the competition.

Definition: A type of chemical compound that has a ring made of five carbon atoms and one oxygen atom.

Example: The chemist synthesized a pyran to study its properties.

Definition: Relating to a specific type of sugar structure that resembles a six-membered ring containing oxygen and carbon atoms.

Example: The pyranoid structure is important in the chemistry of carbohydrates.

Definition: A type of sugar molecule that has a six-sided ring structure, formed from a simple sugar when it reacts with itself.

Example: Glucose can exist in a pyranose form, which is important for its biological functions.

Definition: A type of compound that is formed from a sugar called pyranose and another molecule, often used in chemistry and biology.

Example: Researchers are studying the effects of pyranosides on plant growth.

Definition: A small structure found in the chloroplasts of some algae and plants that helps in storing starch and fixing carbon dioxide.

Example: The pyrenoid plays a crucial role in the photosynthesis process of certain algae.

Definition: A natural chemical substance derived from certain flowers, used to kill insects.

Example: Farmers often use pyrethrin to protect their crops from pests.

Definition: A type of synthetic chemical that is similar to a natural insecticide and is used to kill insects.

Example: Farmers often use pyrethroids to protect their crops from pests.

Definition: A device used to measure the total amount of solar radiation that reaches the Earth.

Example: Scientists use a pyrheliometer to collect data on solar energy for their research.