\Ar`ti*fi"cial\, a. [L. artificialis, fr. artificium:
cf. F. artificiel. See {Artifice}.]
1. Made or contrived by art; produced or modified by human
   skill and labor, in opposition to natural; as, artificial
   heat or light, gems, salts, minerals, fountains, flowers.
         Artificial strife Lives in these touches, livelier
         than life.                            --Shak.
2. Feigned; fictitious; assumed; affected; not genuine.
   ``Artificial tears.'' --Shak.
3. Artful; cunning; crafty. [Obs.] --Shak.
4. Cultivated; not indigenous; not of spontaneous growth; as,
   artificial grasses. --Gibbon.
{Artificial arguments} (Rhet.), arguments invented by the
   speaker, in distinction from laws, authorities, and the
   like, which are called inartificial arguments or proofs.
   --Johnson.
{Artificial classification} (Science), an arrangement based
   on superficial characters, and not expressing the true
   natural relations species; as, ``the artificial system''
   in botany, which is the same as the Linn[ae]an system.
{Artificial horizon}. See under {Horizon}.
{Artificial light}, any light other than that which proceeds
   from the heavenly bodies.
{Artificial lines}, lines on a sector or scale, so contrived
   as to represent the logarithmic sines and tangents, which,
   by the help of the line of numbers, solve, with tolerable
   exactness, questions in trigonometry, navigation, etc.
{Artificial numbers}, logarithms.
{Artificial person} (Law). See under {Person}.
{Artificial sines}, {tangents}, etc., the same as logarithms
   of the natural sines, tangents, etc. --Hutton.