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proton

pro·ton
P p

Transcription

    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [proh-ton]
    • /ˈproʊ tɒn/
    • /ˈprəʊ.tɒn/
    • US Pronunciation
    • US IPA
    • [proh-ton]
    • /ˈproʊ tɒn/

Definitions of proton word

  • noun proton a positively charged elementary particle that is a fundamental constituent of all atomic nuclei. It is the lightest and most stable baryon, having a charge equal in magnitude to that of the electron, a spin of ½, and a mass of 1.673 × 10− 27 kg. Symbol: P. 1
  • noun proton physics: positive particle 1
  • noun Technical meaning of proton 1. A home computer made by Acorn Computers under a contract won from the BBC in April 1981. 2. Something to do with Microsoft SoftLib? 1
  • countable noun proton A proton is an atomic particle that has a positive electrical charge. 0
  • noun proton a stable, positively charged elementary particle, found in atomic nuclei in numbers equal to the atomic number of the element. It is a baryon with a charge of 1.602176462 × 10–19 coulomb, a rest mass of 1.672 62159 × 10–27 kilogram, and spin 1⁄2 0
  • noun proton a nucleon carrying a positive charge equal to the negative charge of an electron and having a mass of c. 1.673 × 10-27kg (c. 938.2796 MeV/c2, c. 1,836 times the mass of an electron): the number of protons in an atom determines the atomic number of a chemical element 0
See all 6 definitions of proton

Information block about the term

Origin of proton

First appearance:

before 1915
One of the 14% newest English words
1915-20; noun use of Greek prôton, neuter of prôtos first

Historical Comparancy

Parts of speech for Proton

noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation
Full grammatical hierarchy of Proton

proton popularity

A common word. It’s meaning is known to most children of preschool age. About 92% of English native speakers know the meaning and use the word.
Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

proton usage trend in Literature

This diagram is provided by Google Ngram Viewer

Top questions with proton

  • what is a proton?
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  • how is nuclear stability related to the neutron proton ratio?
  • where would you find a proton in an atom?
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  • which is the net result of the proton proton chain?
  • what type of charge does a proton have?
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  • what charge does a proton have?

Related words

  • antiproton

    the antiparticle of the proton; a particle having the same mass as the proton but an equal and opposite charge

  • baryon

    any of a class of elementary particles that have a mass greater than or equal to that of the proton, participate in strong interactions, and have a spin of 1⁄2. Baryons are either nucleons or hyperons. The baryon number is the number of baryons in a system minus the number of antibaryons

  • photoproton

    a proton emitted from a nucleus during photodisintegration.

  • atomic number

    the number of protons in the nucleus of an atom of an element

  • bohr theory

    a theory of atomic structure that explains the spectrum of hydrogen atoms. It assumes that the electron orbiting around the nucleus can exist only in certain energy states, a jump from one state to another being accompanied by the emission or absorption of a quantum of radiation

  • corpuscle

    Corpuscles are red or white blood cells.
All related words to proton

See also

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