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.
mould noun (TYPE OF PERSON) âº [ S ] If someone is from or in a particular mould, they have the characteristics typical of a certain type of person: He's cast in a very different mould from his brother. He's a player in the Federer mould.