Definition of first-order in English:

first-order

Syllabification: first-or·der

adjective

  • 1Of or relating to the simplest or most fundamental level of organization, experience, or analysis; primary or immediate: for a teacher, of course, drama must be a first-order experience
    More example sentences
    • The simple first-order political discriminator experiences no conflict in categorizing disvaluees as inferior beings to be suppressed and exploited.
    • This makes is seem inevitable that the scanning device which supposedly generates higher-order experiences of our first-order visual experience would have to be almost as sophisticated and complex as the visual system itself.
    • Now, the problem is simply this: If a person can be conflicted at the level of her first-order desires, she can also be conflicted at the second, or even at higher-orders.
  • 1.1 technical Having an order of one, especially denoting mathematical equations involving only the first power of the independent variable or only the first derivative of a function.
    More example sentences
    • In the 1815 paper, which Pfaff submitted to the Berlin Academy on 11 May, he presented a transformation of a first-order partial differential equation into a differential system.
    • Here, a series of first-order partial differential equations are set up to quantify the steady- and unsteady-state flux corresponding to the cells in the free stream, the rolling cells, and the firmly adherent cells.
    • The dynamics are therefore described by the following first-order, linear differential equations for the growth of and switching between the two subpopulations

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