Multiplying

Multiply \Mul"ti*ply\, v. t. [imp. & p. p. {Multiplied}; p. pr.
   & vb. n. {Multiplying}.] [F. multiplier, L. multiplicare, fr.
   multiplex manifold. See {Multitude}, {Complex}.]
   1. To increase in number; to make more numerous; to add
      quantity to.
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            Impunity will multiply motives to disobedience.
                                                  --Ames.
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   2. (Math.) To add (any given number or quantity) to itself a
      certain number of times; to find the product of by
      multiplication; thus 7 multiplied by 8 produces the number
      56; to multiply two numbers. See the Note under
      {Multiplication}.
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   3. To increase (the amount of gold or silver) by the arts of
      alchemy. [Obs.]
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   {Multiplying gear} (Mach.), gear for increasing speed.

   {Multiplying lens}. (Opt.) See under {Lens}.
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22 Moby Thesaurus words for "multiplying":
      crescendoing, crescent, expanding, growing, increase, increasing,
      incremental, intensifying, lengthening, multiple, multiplication,
      multiplication table, multiplier, on the increase, proliferating,
      proliferation, snowballing, spreading, swelling, tables,
      tightening, waxing