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nabla

British  
/ ˈnæblə /

noun

  1. maths another name for del

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of nabla

C19: from Greek nabla stringed instrument, because it is shaped like a harp

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Arzubi is testing a service, called Nabla Copilot, that sits in on his part of virtual patient visits and then automatically summarizes them, organizing into a standard note format the complaint, the history of illness, and a treatment plan.

From Los Angeles Times

Nabla Copilot isn’t the only such service; Microsoft is trying out the same concept.

From Los Angeles Times

It boasts an unusually large range of special characters, from triple prime and nabla to a full set of astronomical symbols and the ‘click’ phonemes found in some African languages.

From Nature

But what is that sound I hear, Nabla?—

From Project Gutenberg

But how much better, O most sagacious Ulpian, is this hydraulic organ, than the instrument which is called nabla; which Sopater the parodist, in his drama entitled Pylæ, says is also an invention of the Phœnicians, using the following expressions— Nor is the noise of the Sidonian nabla, Which from the throat doth flow, at all impair'd.

From Project Gutenberg