Mould

Mould on nectarines

Mould on the ceiling of a home

Mold or mould has two main meanings.

1. Making things

Mold or mould refers to a container used to make the shape of the required parts or products. It works either by pouring molten plastic or metal into the container, or by pressure onto a flat piece of metal.

2. A type of fungus

Mould or mold is a type of tiny fungus. There are thousands of different kinds. They are often seen in wet places. Molds include all species of microscopic fungi. In contrast, microscopic fungi that grow as single cells are called yeasts.

Some molds cause disease or food spoilage. Sometimes people use them to make some kinds of cheese and antibiotics. One special kind of mold can be used to make penicillin, a common antibiotic.

Other pages

Black bread mold