How to Discover What is an Eponym?

The English language contains a large number of eponyms they are names of people who have become so associated with a product , service or concept that their proper names have been given to them. According to word experts, there are three main groups of eponyms; words derived from mythological or fictitious names,words which are descriptive of a person or his works, words that are taken from the names of people who actually exist or once existed.

Most of the eminent men of science like Ohm, Ampere, Watt, Newton and Rutherford whose names have ended in the dictionary but there are more whose inventions and their names have become part of our everyday life.

What is an Eponym?