- a function of two variables that is obtained from a given function, y = f(x), and that expresses the approximate increment in the given function as the derivative of the function times the increment in the independent variable, written as dy = f′(x)dx.
- any generalization of this function to higher dimensions.
- the difference involved in a differential rate.
- differential rate.
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Origin of differential
OTHER WORDS FROM differentialdif·fer·en·tial·ly, adverb
Example sentences from the Web for differential
It’s no wonder that FiveThirtyEight’s NFL model projects Indianapolis to finish this season with the sixth-best scoring differential in the NFL — and gives the team a 62 percent chance to win the AFC South.The Indianapolis Colts Finally Built A Defensive Monster|Ty Schalter|November 19, 2020|FiveThirtyEight
The first Bourbaki text was meant to be about differential geometry, which reflected the tastes of some of the group’s early members, luminaries like Henri Cartan and André Weil.Inside the Secret Math Society Known Simply as Nicolas Bourbaki|Kevin Hartnett|November 9, 2020|Quanta Magazine
For the Bears and Browns, point differential offers evidence that their performances so far haven’t been as good as they seem.Steelers stay unbeaten, Chargers drop another heartbreaker in NFL Week 9|Cindy Boren, Mark Maske, Des Bieler|November 9, 2020|Washington Post
Without the added benefit of those, Cleveland’s point differential, and record, would be much worse.The Bills, Bears and Browns aren’t as good as their records|Neil Greenberg|November 6, 2020|Washington Post
Unless you’re a physicist or an engineer, there really isn’t much reason for you to know about partial differential equations.AI has cracked a key mathematical puzzle for understanding our world|Karen Hao|October 30, 2020|MIT Technology Review
They combine the fixing with the staining process, and stain differentially every normal and abnormal structure in the blood.A Manual of Clinical Diagnosis|James Campbell Todd
They act as though they were not connected differentially, so far as voice currents are concerned.Cyclopedia of Telephony and Telegraphy, Vol. 2|Kempster Miller
And even the suf- fragist does not suggest that the taxes which are levied on women are differentially applied to the uses of men.The Unexpurgated Case Against Women Suffrage|Almroth E. Wright
The comparison of red and blue light was made differentially.
Here a Mackerel chap sniffed differentially, and says he: "But you was trying to die in war, capting."The Orpheus C. Kerr Papers. Series 2|Robert H. Newell
British Dictionary definitions for differential
- an increment in a given function, expressed as the product of the derivative of that function and the corresponding increment in the independent variable
- an increment in a given function of two or more variables, f(x 1, x 2, … x n), expressed as the sum of the products of each partial derivative and the increment in the corresponding variable