from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A hypothetical, massive subatomic particle with zero electric charge whose existence would explain the masses of the elementary particles.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A hypothetical elementary particle predicted by the Standard Model; a boson with zero spin, it is thought to give mass to other particles.
Fundamental particle of the Higgs field, the hypothetical quantum field responsible for giving subatomic particles their mass, after Peter Ware Higgs (born 1929), British physicist.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Higgs ("a surname") + boson; after the British physicist Peter Higgs, who is credited with proposing what is now called the Higgs mechanism. (Wiktionary)
I know that it is designed to discover whether the Higgs boson exists, but what exactly is the Higgs boson and why do we need to know about it?