Nabla

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A Hebrew stringed instrument.
  2. 2
    The symbol ∇, used to denote the gradient operator.

Synonyms

All synonyms
atledatleddeldelnebel

Etymology

From Latin nabla, from Ancient Greek νάβλα (nábla, “Phoenician harp”), from ancient Hebrew נֵבֶל (nḗḇel) or a Phoenician cognate. Doublet of nebel, which comes via the modern Hebrew נֵ֤בֶל.

Related phrases

quabla operatorstringed instrument

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.