nucleon

noun
nu·​cle·​on | \ˈnü-klē-ˌän, ˈnyü-\

Definition of nucleon 

1 : a proton or neutron especially in the atomic nucleus

2 : a hypothetical single entity with one-half unit of isospin that can manifest itself as either a proton or a neutron

Other Words from nucleon

nucleonic \ˌnü-​klē-​ˈä-​nik, ˌnyü-​ \ adjective

First Known Use of nucleon

1923, in the meaning defined at sense 1

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The first known use of nucleon was in 1923

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nucleon

noun
nu·​cle·​on | \ˈn(y)ü-klē-ˌän \

Medical Definition of nucleon 

: a nuclear particle:

a : proton

b : neutron

Other Words from nucleon

nucleonic \ˌn(y)ü-​klē-​ˈän-​ik \ adjective

More from Merriam-Webster on nucleon

Rhyming Dictionary: Words that rhyme with nucleon

Britannica.com: Encyclopedia article about nucleon

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