Jar

For other uses, see Jar (disambiguation).

A jar is a type of container, mostly used to store food. Jars are usually cylindrical, and are usually made of glass or clay.

A jar filled with jam.

Glass jars are able to be heated in microwave ovens.^[1]

Types of jars

• Mason jar, a jar used to preserve serval foods (such as fruit, jam, vegetables, ...)
• Kilner jar, another type of jar for storing foods
• Mayonnaise jar, a mason jar especially made for mayonnaise
• Canopic jar, used in ancient Egyptian burial
• Leyden jar, a simple capacitor
• Killing jar