Tiếng Việt · Word Attested

số khối

[so˧˦ xoj˧˦] 🎙 Say it

In real, traceable use. Part of the curated seed collection; community review is coming.

Both English Tiếng Việt

Meaning · English

(noun) mass number (number of protons and neutrons in an atomic nucleus)

Nghĩa · Tiếng Việt

số proton và neutron trong hạt nhân nguyên tử

Machine-translated — suggest a fix

Noun

Where it’s used: Used Toàn quốc & hải ngoại · Vietnam-wide & diaspora

Sources & notes

Imported from Wiktionary (CC BY-SA 4.0, retrieved 2026-07-29); community review pending. source ↗

Common questions

What does “số khối” mean?

(noun) mass number (number of protons and neutrons in an atomic nucleus)

Is “số khối” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.

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