\Fa"cient\, n. [L. faciens, -- entis, p. pr. of facere
to make, do. See {Fact}.]
1. One who does anything, good or bad; a doer; an agent.
   [Obs.] --Bp. Hacket.
2. (Mach.)
   (a) One of the variables of a quantic as distinguished
       from a coefficient.
   (b) The multiplier.
Note: The terms facient, faciend, and factum, may imply that
      the multiplication involved is not ordinary
      multiplication, but is either some specified operation,
      or, in general, any mathematical operation. See
      {Multiplication}.