Definition: Related to the outer layer or top part of something, often seeming real but not necessarily true.

Example: The surface details of the painting were beautiful, but the deeper meaning was hidden.

Definition: The outer or top layer of something, which can be flat or curved, and separates it from the environment or other objects.

Example: The surface of the water was calm and reflective.

Definition: To cover or apply a layer to something, such as a table or a road.

Example: They decided to surface the driveway with new asphalt.

Definition: A substance that helps reduce the surface tension of liquids, making it easier for them to spread or mix. It is often used in cleaning products and in the lungs to help keep air sacs open.

Example: Surfactants are commonly found in soaps and detergents to help them clean better.

Definition: Relating to or occurring on the surface of the earth.

Example: The surficial layers of soil are important for agriculture.

Definition: To suddenly increase or move forward in a powerful way, often like waves.

Example: The crowd surged forward when the concert started.

Definition: A sudden and powerful increase or movement, often referring to waves, emotions, or electrical currents.

Example: There was a surge of excitement in the crowd when the concert began.

Definition: To gradually loosen or make something less tight, especially a cable or rope.

Example: The sailor had to surge the cable to adjust the sail.

Definition: A medical procedure where a doctor operates on a patient to treat a disease or injury, often involving cutting into the body.

Example: She had to undergo surgery to remove her appendix.

Definition: Relating to medical operations performed by doctors to treat injuries or diseases.

Example: The doctor used surgical techniques to remove the tumor safely.

Definition: In a way that relates to or involves surgery, often referring to medical procedures performed by a surgeon.

Example: The doctor explained that the tumor would be removed surgically to ensure the best outcome.

Definition: The action or event of suddenly increasing or moving forward with great force.

Example: The surging of the crowd during the concert created an electric atmosphere.

Definition: To move suddenly and powerfully forward or upward, often in a wave-like motion.

Example: The crowd began surging forward when the concert started.

Definition: In mathematics, a type of function where every element in the target set is mapped to by at least one element from the domain.

Example: The function f(x) = x^2 is not a surjection when the target set is all real numbers.

Definition: Relating to a type of function in mathematics where every element in the target set is mapped to by at least one element from the domain.

Example: In mathematics, a function is called surjective if it covers every element in the target set.