atomic number

noun

The number of protons in an atom. Symbol: Z

Meanings

nounatomic number (plural atomic numbers)

plural atomic numbers

  1. chemistryThe number of protons in an atom. Symbol: Z

Synonyms & antonyms

Translations

Afrikaans atoomgetal
  • atoomgetalnumber of protons
Arabic عَدَد ذَرِّيّ
  • عَدَد ذَرِّيّ (ʕadad ḏarriyy)number of protons
Basque atomo-zenbaki
  • atomo-zenbakinumber of protons
Bengali পারমাণবিক সংখ্যা
  • পারমাণবিক সংখ্যা (parmanobik śoṅkha)number of protons
Bulgarian а́томен но́мер
  • а́томен но́мер (átomen nómer)number of protons
Catalan nombre atòmic
  • nombre atòmicnumber of protons
Chinese Mandarin 原子序數 /原子序数, 原子序
  • 原子序數 /原子序数 (yuánzǐ xùshù)number of protons
  • 原子序 (yuánzǐxù)number of protons
Czech atomové číslo, protonové číslo
  • atomové číslonumber of protons
  • protonové číslonumber of protons
Danish atomnummer
  • atomnummernumber of protons
Dutch atoomnummer, atoomgetal
  • atoomnummernumber of protons
  • atoomgetalnumber of protons
Esperanto atomnumero, atomnombro
  • atomnumeronumber of protons
  • atomnombronumber of protons
Estonian aatominumber, aatomnumber
  • aatominumbernumber of protons
  • aatomnumbernumber of protons
Finnish järjestysluku, atomiluku
  • järjestyslukunumber of protons
  • atomilukunumber of protons
French numéro atomique, nombre atomique
  • numéro atomiquenumber of protons
  • nombre atomiquenumber of protons
German Ordnungszahl, Kernladungszahl
  • Ordnungszahlnumber of protons
  • Kernladungszahlnumber of protons
  • Atomnummernumber of protons
Greek ατομικός αριθμός
  • ατομικός αριθμός (atomikós arithmós)number of protons
Hebrew מספר אטומי
  • מספר אטומיnumber of protons
Hindi परमाणु क्रमांक
  • परमाणु क्रमांक (parmāṇu kramāṅk)number of protons
Hungarian rendszám
  • rendszámnumber of protons
Icelandic sætistala
  • sætistalanumber of protons
Indonesian nomor atom
  • nomor atomnumber of protons
Irish uimhir adamhach
  • uimhir adamhachnumber of protons
Italian numero atomico
  • numero atomiconumber of protons
Japanese 原子番号
  • 原子番号 (genshi bangō)number of protons
Korean 원자번호
  • 원자번호 (wonjabeonho)number of protons
Latin numerus atomicus
  • numerus atomicusnumber of protons
Latvian atomskaitlis
  • atomskaitlisnumber of protons
Lithuanian atomo numeris
  • atomo numerisnumber of protons
Malay nombor atom
  • nombor atomnumber of protons
Māori tau iraoho
  • tau iraohonumber of protons
Norwegian Bokmål atomnummer
  • atomnummernumber of protons
Persian عدد اتمی
  • عدد اتمی ('adad-e atomi)number of protons
Polish liczba atomowa
  • liczba atomowanumber of protons
Portuguese número atômico, número atómico
  • número atômiconumber of protons
  • número atómiconumber of protons
Punjabi ਪਰਮਾਣੂ ਸੰਖਿਆ
  • ਪਰਮਾਣੂ ਸੰਖਿਆ (parmāṇū saṅkhiā)number of protons
Romanian număr atomic, număr de ordine atomic
  • număr atomicnumber of protons
  • număr de ordine atomicnumber of protons
  • număr de protoninumber of protons
Russian а́томное число́, а́томный но́мер
  • а́томное число́ (átomnoje čisló)number of protons
  • а́томный но́мер (átomnyj nómer)number of protons
  • заря́довое число́ (zarjádovoje čisló)number of protons
  • поря́дковый но́мер (porjádkovyj nómer)number of protons
Slovak atómové číslo, protónové číslo
  • atómové číslonumber of protons
  • protónové číslonumber of protons
Spanish número atómico
  • número atómiconumber of protons
Swahili namba atomia
  • namba atomianumber of protons
Swedish atomnummer
  • atomnummernumber of protons
Tagalog atomikong bilang
  • atomikong bilangnumber of protons
Tamil அணு எண்
  • அணு எண் (aṇu eṇ)number of protons
Thai เลขอะตอม
  • เลขอะตอมnumber of protons
Turkish atom numarası
  • atom numarasınumber of protons
Ukrainian атомний номер
  • атомний номер (atomnyj nomer)number of protons
Urdu جوہری عدد
  • جوہری عددnumber of protons
Vietnamese số nguyên tử
  • số nguyên tửnumber of protons
Welsh rhif atomig
  • rhif atomignumber of protons
Cite this entry
APA

atomic number. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/atomic%20number

MLA

“atomic number.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/atomic%20number. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “atomic number,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/atomic%20number.

Source: atomic number on Wiktionary, CC BY-SA 4.0.