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 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 type of protein found in blood serum that helps activate the immune system's complement pathway without needing antibodies.

Example: Properdin plays a crucial role in the immune response by enhancing the activation of the complement system.

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: Related to the first stage of cell division where chromosomes become visible and the nuclear envelope breaks down.

Example: During the prophasic stage of mitosis, the chromosomes condense and become visible under a microscope.

Definition: Serving to prevent disease or protect against something harmful.

Example: The doctor recommended a prophylactic treatment to reduce the risk of infection.

Definition: A device or measure used to prevent disease or pregnancy, such as a condom or vaccine.

Example: He always uses a prophylactic to ensure safety during intimate moments.

Definition: A method or treatment used to prevent disease or protect health.

Example: Vaccination is a common form of prophylaxis against infectious diseases.

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.