mul·ti·ply /ˈmʌltəˌplaɪ/
 (vt.)乘,使相乘;倍增(vi.)增加
 multiply
 乘;乘法 MLY;MPY
 multiply
 乘
 Mul·ti·ply v. t. [imp. & p. p. Multiplied p. pr. & vb. n. Multiplying ]
 1. To increase in number; to make more numerous; to add quantity to.
    Impunity will multiply motives to disobedience.   --Ames.
 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.
 3. To increase (the amount of gold or silver) by the arts of alchemy. [Obs.]
 Multiplying gear Mach., gear for increasing speed.
 Multiplying lens. Opt. See under Lens.
 Mul·ti·ply, v. i.
 1. To become greater in number; to become numerous.
    When men began to multiply on the face of the earth, and daughters were born unto them.   --Gen. vi. 1.
 2. To increase in extent and influence; to spread.
    The word of God grew and multiplied.   --Acts xii. 24.
 3. To increase amount of gold or silver by the arts of alchemy. [Obs.]
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 multiply
      adv : in several ways; in a multiple manner; "they were multiply
            checked for errors" [ant: singly]
      v 1: combine by multiplication; "multiply 10 by 15" [ant: divide]
      2: combine or increase by multiplication; "He managed to
         multiply his profits" [syn: manifold]
      3: have young (animals); "pandas rarely breed in captivity"
         [syn: breed]
      4: have offspring or young; "The deer in our neighborhood
         reproduce madly"; "The Catholic Church tells people to
         procreate, no matter what their economic situation may be"
         [syn: reproduce, procreate]
      [also: multiplied]