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fermion

Advanced (C1/C2)

IPA: /ˈfɜːrmiɒn/

KK: /ˈfɜrmiˌɒn/

noun
Definition

A type of particle that has a specific kind of spin and follows rules that prevent identical particles from being in the same state at the same time.


Example

Electrons are examples of fermions, which play a crucial role in the structure of matter.


Conversation
Sloth A
Have you ever heard of a fermion?
Sloth B
Yeah, isn't it a type of particle like an electron?
Sloth A
Exactly! They have this unique property that no two fermions can be in the same state.
Sloth B
That's so interesting! Science has so many cool concepts.

Synonyms & Antonyms
Synonyms
particle
quark
lepton
Antonyms
boson
photon
gauge
Root Explanation

Fermion → The word is derived from the name 'Fermi' (after the physicist Enrico Fermi) and the suffix '-on' (from Greek 'on', meaning particle). It refers to a type of particle named after Fermi, which obeys the Pauli exclusion principle and is a fundamental constituent of matter.

Memory Tip

Think of Enrico Fermi, the scientist who contributed to the understanding of particles, and remember that a fermion is a type of particle named in his honor.

Visually Confused Words
ferison
ferio
thermion
hermione
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