Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun atomic_number

1 sense of atomic number

Sense 1
atomic number -- (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)
       => number -- (a concept of quantity involving zero and units; "every number has a unique position in the sequence")