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DIFFERENTIAL

12 letters

✓ IT'S A WORD
TWL06 ✓ SOWPODS ✓ ENABLE1 ✓
Classic 11 pts
Big 11 pts
Super Big 24 pts

DIFFERENTIAL is a valid 12-letter Boggle word. It's listed in all three major word lists — TWL06, SOWPODS, and ENABLE1. It scores 11 in Classic, 11 in Big, and 24 in Super Big Boggle.

adjective
  1. Of or pertaining to a difference.
    • differential characteristics
    • I saved disk space by taking differential backups, which only stored the data that had changed.
  2. Dependent on, or making a difference; distinctive.
  3. Having differences in speed or direction of motion.
  4. Of or pertaining to differentiation or the differential calculus.
noun
  1. The differential gear in an automobile, etc.
  2. A qualitative or quantitative difference between similar or comparable things.
  3. One of two coils of conducting wire so related to one another or to a magnet or armature common to both, that one coil produces polar action contrary to that of the other.
  4. A form of conductor used for dividing and distributing the current to a series of electric lamps so as to maintain equal action in all.
  5. A quantity representing an infinitesimal change in a variable, now only used as a heuristic aid except in nonstandard analysis but considered rigorous until the 20th century; a fluxion in Newtonian calculus, now usually written in Leibniz's notation as operatorname d!x.
  6. A function giving the change in the linear approximation of f at a point x over a small interval Δx or operatorname d!x, the function being called the differential of f and denoted operatorname d!f(x,Δx), operatorname d!f(x), or simply operatorname d!f.
    • If f(x)#61;x², the differential of f is the function #92;operatorname#123;d#125;#92;#33;f(x,#92;Deltax)#61;f'(x)#92;Deltax#61;2x#92;Deltax.
  7. Any of several generalizations of this concept to functions of several variables or to higher orders: the partial differential, total differential, Gateaux differential, etc.
  8. The Jacobian matrix of a function of several variables.
  9. The pushforward or total derivative of ϕ: a linear map from the tangent space at a point x in ϕ's domain to the tangent space at ϕ(x) which is, in a technical sense, the best linear approximation of ϕ at x; denoted operatorname d!ϕₓ.
  10. Any of several generalizations of the concept(s) above: e.g. the Kähler differential in the setting of schemes, the quadratic differential in the theory of Riemann surfaces, etc.