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What is a Hob? A hob is a vital component of any kitchen. Modern hobs are usually constructed of glass (which is heatproof and shatterproof) and have flat cooking zones that are easy to clean. Electric hobs are cheaper than gas ones, however they use electricity. Induction hobs are compatible with almost any cookware. However, they need compatible pans that emit a magnetic field. Origin Hob is an English masculine name that is a name that dates back to the Middle Ages. It is related to the Old English word "hol" and refers to a hole, pit or a dent.