nonidealadj.n.

1857 Biblical Repertory Apr. 274 Those who consistently believe in a real (i.e. non-ideal) external world, therefore maintain this distinction as of capital importance.

1892 Mind 1 481 By that he would not mean that upon a non-ideal or mechanical system has to be superimposed a teleological systems of ideals.

1927 Amer. Jrnl. Math. 49 144 It is understood that when we speak of points we mean in general non-ideal points.

1960 Proc. Royal Soc. A. 255 273 For pure mixed-crystals, however, results like those expected for a non-ideal superconductor were obtained.

1978 Jrnl. Finance 33 526 Figure 1 shows the possible value loss resulting from a non-ideal contract.

1986 Wall St. Jrnl. (Electronic ed.) 24 July Nobody in normal times wants sanctions against his own country. But the choice isn't between the ideal and the non-ideal.

1993 Sci. News 16 Jan. 39/3 The modeled xylene dispersion may not account for ‘nonideal’ evaporation, and xylene fumes were not measured directly.