differential

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

noun the result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dx
noun a quality that differentiates between similar things
noun a bevel gear that permits rotation of two shafts at different speeds; used on the rear axle of automobiles to allow wheels to rotate at different speeds on curves

DIFFERENTIAL CALCULUS a higher form of mathematics. — The Short-story, Unknown
“Change the oil and check the differential. — A farewell to arms, Ernest Hemingway
The Minister I believe has written learnedly on the Differential Calculus. — The Works of Edgar Allan Poe, The Raven Edition: Table Of Contents And Index Of The Five Volumes, Edgar Allan Poe

derived function, derivative, differential coefficient, first derivative

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