English
Etymology
Ellipsis of atomic mass number.
Noun
mass number (plural mass numbers)
- (physics, physical chemistry) The total number of protons and neutrons in an atomic nucleus. Symbol: A
Synonyms
Translations
number of protons and neutrons in an atomic nucleus
- Arabic: عَدَد كُتْلِيّ m (ʕadad kutliyy)
- Catalan: nombre màssic m, nombre de massa m
- Chinese:
- Mandarin: 質量數 / 质量数 (zh) (zhìliàngshù)
- Danish: nukleontal n
- Finnish: massaluku (fi)
- French: nombre de masse (fr) m
- Georgian: მასური რიცხვი (masuri ricxvi)
- German: Massenzahl (de) f
- Greek: μαζικός αριθμός (el) n pl (mazikós arithmós)
- Indonesian: nomor massa
- Italian: numero di massa (it) m
- Korean: 질량수 (ko) (jillyangsu)
- Latvian: masas skaitlis m
- Maori: tau karihi
- Portuguese: número de massa m
- Russian: массовое число́ n (massovoje čisló)
- Spanish: número másico m, número de masa m
- Swedish: masstal (sv) n
- Thai: เลขมวล
- Ukrainian: ма́сове число́ n (másove čysló), нукло́нне число́ n (nuklónne čysló, literally “nucleon number”)
- Vietnamese: số khối (vi)
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