nabla
nounEtymology 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.
1
A Hebrew stringed instrument.
2
Mathematical analysis, Mathematics, Sciences The symbol ∇, used to denote the gradient operator.
- Derived terms
- quabla operator