noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The number of protons in an atom. Symbol: Z
2. 2
   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 wordnet

Synonyms

All synonyms

atomic-number dependentatomic-number relatedconstantelement-identity relatednuclear chargeperiodic-trend based

Antonyms

All antonyms

independent of atomic numbermass numbernonatomicunrelated