I disagree. There are only few cases in which you can describe a mathematical concept with few meaningful words. Like this is the list of number types I could think of. If you don't know it, there is no benefit of knowing what it is called in English. Are rational numbers rational, and are imaginary numbers imaginary? Can the author come up with better name than this, I doubt so.

    Rational numbers
    Real numbers
    Imaginary numbers
    Complex numbers(including imaginary numbers)
    Hypercomplex numbers
    Hyper real numbers
    Surreal numbers