Definition: Able to push or drive something forward.

Example: The propellent force of the engine allowed the rocket to launch into space.

Definition: A substance used to create thrust in engines, often found in rockets and aerosol cans, that helps propel an object forward.

Example: The rocket used a powerful propellent to reach outer space.

Definition: A device with blades that spins to push an aircraft or boat forward by moving air or water.

Example: The pilot adjusted the propeller to improve the plane's speed.

Definition: A device with blades that spins to push an object forward, commonly used in boats and aircraft.

Example: The boat moved swiftly through the water thanks to its powerful propellor.

Definition: A colorless gas that is a type of hydrocarbon, often used in the production of plastics and other chemicals.

Example: Propene is commonly used in the manufacturing of polypropylene, a widely used plastic.

Definition: A chemical group derived from propene, which is a type of hydrocarbon.

Example: The propenyl group is often used in organic chemistry reactions.

Definition: A form of a virus that infects bacteria, where the virus's genetic material is integrated into the bacterial DNA and does not harm the bacteria immediately.

Example: The prophage can remain dormant within the bacterial genome until conditions trigger its activation.

Definition: The first stage of cell division where chromosomes become visible and condense, and the nuclear membrane breaks down.

Example: During prophase, the chromosomes become thicker and more visible under a microscope.

Definition: A gift or offering, especially money given for drinks or as a reward for a favor.

Example: He received a propine for his excellent service at the restaurant.

Definition: To give or deliver something as a token of friendship or as a pledge, often in a ceremonial manner.

Example: During the ceremony, he decided to propine a toast to the newlyweds.

Definition: A chemical compound that is a salt or ester derived from propionic acid, often used in food preservation and as a food additive.

Example: Sodium propionate is commonly used as a preservative in baked goods.

Definition: A small structure in the cell that can develop into a plastid, which is important for processes like photosynthesis and storage of substances.

Example: The proplastid is essential for the formation of chloroplasts in plant cells.