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Nabla
noun
Definitions
Noun
- 1 A Hebrew stringed instrument.
- 2 The symbol ∇, used to denote the gradient operator.
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.
See also for "nabla"
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