Definitions

from The Century Dictionary.

  • noun An ancient Egyptian lute with two or three strings. Compare nefer.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A Hebrew stringed instrument.
  • noun The symbol , used to denote the gradient operator.

Etymologies

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Examples

  • I once wrote "nabla" (an Assyrian harp, term was introduced by the very Anglo Saxon Peter Tait) and I got a very antisemitic reaction to the extent that Jews want to turn everything into something Jewish, even math symbols.

    Citizendium, the Citizens' Compendium - Recent changes [en] 2009

  • I once wrote "nabla" (an Assyrian harp, term was introduced by the very Anglo Saxon Peter Tait) and I got a very antisemitic reaction to the extent that Jews want to turn everything into something Jewish, even math symbols.

    Citizendium, the Citizens' Compendium - Recent changes [en] 2009

  • I once wrote "nabla" (an Assyrian harp, term was introduced by the very Anglo Saxon Peter Tait) and I got a very antisemitic reaction to the extent that Jews want to turn everything into something Jewish, even math symbols.

    Citizendium, the Citizens' Compendium - Recent changes [en] 2009

  • The standard quantization is that momentum p is replaced with the operator (hbar/i) nabla (nabla is a directional derivative) and E = ihbar &/& t (& = partial).

    Dark Matter: Still Dark. Julianne 2008

  • The real part is the instanton component that is a nabla S nabla I, reflecting the small quantum aspect of the spacetime — eg a WKB type of approximation.

    Arrow of Time FAQ Sean 2007

  • Gregor – rachel/nabla is doing her thing with your handle on the Iran thread.

    Think Progress » Popular Teen TV Show To Claim Morning-After Pill Can Cause A Miscarriage 2007

  • The golden sisirum and the delicately-wrought nabla, the strings of which had long ago been broken, testified to her taste for music, while the broken spindle in the corner, and some unfinished nets of glass beads shewed that she had been fond of woman's usual work.

    An Egyptian Princess — Volume 10 Georg Ebers 1867

  • The golden sisirum and the delicately-wrought nabla, the strings of which had long ago been broken, testified to her taste for music, while the broken spindle in the corner, and some unfinished nets of glass beads shewed that she had been fond of woman's usual work.

    An Egyptian Princess — Volume 10 Georg Ebers 1867

  • The golden sisirum and the delicately-wrought nabla, the strings of which had long ago been broken, testified to her taste for music, while the broken spindle in the corner, and some unfinished nets of glass beads shewed that she had been fond of woman's usual work.

    Complete Project Gutenberg Georg Ebers Works Georg Ebers 1867

  • The golden sisirum and the delicately-wrought nabla, the strings of which had long ago been broken, testified to her taste for music, while the broken spindle in the corner, and some unfinished nets of glass beads shewed that she had been fond of woman's usual work.

    An Egyptian Princess — Volume 10 Georg Ebers 1867

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