first differential
41differential gear — Mach. 1. differential (def. 7). 2. any of various comparable arrangements of gears, as an epicyclic train. [1885 90] * * * In automotive mechanics, a gear arrangement that transmits power from the engine to a pair of driving wheels, dividing the… …
42Differential coefficient — In mathematics, the differential coefficient of a function f(x) is what is now called its derivative df(x)/dx, the (not necessarily constant) multiplicative factor or coefficient of the differential dx in the differential df(x). A coefficient is… …
43first derivative — noun the result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dx • Syn: ↑derived function, ↑derivative, ↑differential coefficient, ↑differential • Derivationally related forms: ↑differential …
44Differential Signaling Hypothesis — The Differential Signaling Hypothesis is one of two models that attempt to explain how humans have immunity despite such aggressive selection (positive and negative) to kill developing T cells during their maturation process. The other model is… …
45differential analyzer — an analog computer designed for solving certain differential equations. [1930 35] * * * ▪ device computing device for solving differential equations. Its principal components perform the mathematical operation of integration (see also… …
46differential coefficient — noun the result of mathematical differentiation; the instantaneous change of one quantity relative to another; df(x)/dx • Syn: ↑derived function, ↑derivative, ↑differential, ↑first derivative • Derivationally related forms: ↑differential …
47First fundamental form — In differential geometry, the first fundamental form is the inner product on the tangent space of a surface in three dimensional Euclidean space which is induced canonically from the dot product of R 3 . It permits the calculation of curvature… …
48First Amendment — Die ersten zehn Zusätze zur Verfassung der Vereinigten Staaten bilden die Bill of Rights Gedenktafel zum ersten Zusatzartikel in …
49Differential refraction — Refraction Re*frac tion (r?*fr?k sh?n), n. [F. r[ e]fraction.] 1. The act of refracting, or the state of being refracted. [1913 Webster] 2. The change in the direction of ray of light, heat, or the like, when it enters obliquely a medium of a… …
50First Hurwitz triplet — In the mathematical theory of Riemann surfaces, the first Hurwitz triplet is a triple of distinct Hurwitz surfaces with the identical automorphism group of the lowest possible genus, namely 14 (genera 3 and 7 admit a unique Hurwitz surface,… …
