The term "Harold W. Kroto" refers to a specific person rather than a common English word. He was a British chemist known for his important discovery in the field of chemistry. Here’s an easy explanation for new English learners:
Harold W. Kroto is the name of a scientist who was born in 1939. He is famous for discovering a special kind of molecule called "fullerenes." Fullerenes are unique because they are shaped like hollow spheres or tubes and have interesting properties. Kroto worked with two other scientists, Robert Curl and Richard Smalley, to make this discovery, which led to new areas of research in chemistry.
In more advanced discussions, you might refer to his work in the context of nanotechnology or materials science, as fullerenes have applications in these fields.
Harold W. Kroto is an important figure in chemistry, known for his discovery of fullerenes.