LLexicon Workbenchv2.1

Nounverified MWEverified

Mass Number

nounverified·updated May 18, 2026

GlossaryL1 — what DictionaryL2 — how used ThesaurusL3 — relations Universaleverything

the sum of the number of neutrons and protons in an atomic nucleus

MWE

Classifications

per-axis with provenance

Entity Type

Unknown—authoritativeglossary_import_default_pending_classifier

?unassignedlast reviewed —

Sensitivity

unclassified

Information Class

unclassified

Variants

4 surface forms

synonym: nucleon number
plural: Mass Numbers
possessive: Mass Number's
pluralpossessive: Mass Numbers'

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