Knowledge center. Chickenpox (Chicken Pox) , also known as Varicella, is a very contagious infection caused by the varicella zoster virus. In several parts of the world it is just known as varicella.
mold noun (SHAPE) âº [ C ] a hollow container into which you pour a soft or liquid substance so that it will cool or harden into the shape of the container: The pieces are made in a mold and I just paint them.
Black mold, also referred to as mold or mildew, is a type of fungus that produces a fluffy or powdery growth on surfaces. Black mold is able to grow on many household surfaces, such as carpets, cloth, leather, wood, insulation and food.