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Audio English.org » Dictionary » A » Atmospheric Electricity ... Atomic Number 45

ATOMIC NUMBER

Pronunciation (US): 

 Dictionary entry overview: What does atomic number mean? 

ATOMIC NUMBER (noun)
  The noun ATOMIC NUMBER has 1 sense:

1. the order of an element in Mendeleyev's table of the elements; equal to the number of protons in the nucleus or electrons in the neutral state of an atom of an element

  Familiarity information: ATOMIC NUMBER used as a noun is very rare.


 Dictionary entry details 


ATOMIC NUMBER (noun)


Sense 1atomic number [BACK TO TOP]

Meaning:

The order of an element in Mendeleyev's table of the elements; equal to the number of protons in the nucleus or electrons in the neutral state of an atom of an element

Classified under:

Nouns denoting quantities and units of measure

Hypernyms ("atomic number" is a kind of...):

number (a concept of quantity derived from zero and units)

Hyponyms (each of the following is a kind of "atomic number"):

magic number (the atomic number of an extra stable strongly bound atomic nucleus: 2, 8, 20, 28, 50, 82 or 126)


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