Exam: TOEFL

Definition: To create a new organism or product by combining different elements, especially in genetics or breeding.

Example: Scientists can hybridize different plant species to create new varieties with desirable traits.

Definition: A type of cell created in a lab by combining an antibody-making cell with a cancer cell, which can grow and produce a specific type of antibody continuously.

Example: Researchers use hybridomas to produce large amounts of monoclonal antibodies for medical research.

Definition: A fluid-filled sac that forms in the body due to infection by a type of tapeworm larva.

Example: The doctor explained that the hydatid could cause serious health issues if not treated.

Definition: A type of acid that consists only of hydrogen and a halogen or pseudohalogen, without any oxygen in its structure.

Example: Hydracids, such as hydrochloric acid, are commonly used in laboratories.

Definition: To take in water or moisture, often to maintain proper hydration in the body.

Example: It is important to hydrate after exercising to replenish lost fluids.

Definition: A solid substance that includes water molecules as part of its structure, often found in crystals or formed by combining water with another material.

Example: The scientist studied the properties of the hydrate to understand its behavior in different conditions.

Definition: To provide water or moisture to something, especially to restore its proper balance of fluids.

Example: After a long run, it's important to hydrate properly to avoid dehydration.

Definition: Having absorbed or combined with water, often used to describe substances that contain water in their chemical structure.

Example: It's important to stay hydrated, especially during hot weather.

Definition: The process of providing enough water to keep the body healthy and functioning properly.

Example: Staying hydrated is important for your overall health, especially during hot weather.

Definition: Related to the movement or operation of fluids, especially water, under pressure.

Example: The hydraulic system in the car helps to control the brakes effectively.

Definition: In a manner that involves the use of liquid under pressure to create movement or force.

Example: The machine operates hydraulically to lift heavy loads with ease.

Definition: A colorless and corrosive liquid used mainly as a fuel in rockets and jets.

Example: Hydrazine is often used as a propellant in spacecraft.