From Hebrew נֵ֤בֶל.

nabla (plural nablas)

1. A Hebrew stringed instrument.
2. (mathematical analysis) The symbol ∇, used to denote the gradient operator.

• (instrument): nebel (obsolete, possibly the same instrument)
• (symbol): atled, del

• Nabla symbol on Wikipedia.Wikipedia
• Nevel (instrument) on Wikipedia.Wikipedia

• Alban, Balan, Blaan, Laban, Nabal, alban, banal, laban, labna, nabal

• Audio:

  (file)

• Hyphenation: na‧bla

nabla c (plural nabla's)

1. (mathematical analysis) nabla, ∇

From Hebrew נֵ֤בֶל.

• IPA^(key): /ˈnɑblɑ/, [ˈnɑ̝blɑ̝]
• Rhymes: -ɑblɑ
• Hyphenation^(key): nab‧la

nabla

1. nabla (symbol and instrument)

• nablata

• alban

Borrowed from English nabla, from Ancient Greek νάβλα (nábla).

• IPA^(key): /ˈna.bla/
• Rhymes: -abla
• Hyphenation: nà‧bla

nabla m (invariable)

1. (mathematical analysis) nabla (the symbol ∇)

• (Classical Latin) IPA^(key): /ˈna.bla/, [ˈnäbɫ̪ä]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈna.bla/, [ˈnäːblä]

From Ancient Greek νάβλα (nábla).

nabla f (genitive nablae); first declension

1. A kind of lyre.

First-declension noun.

• English: nabla

See the etymology of the corresponding lemma form.

nabla

1. nominative/accusative/vocative plural of nablum

• “nabla”, in Harry Thurston Peck, editor (1898), Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
• “nabla”, in William Smith et al., editor (1890), A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin