Du"pli*cate (?), v. t. [imp. & p. p. Duplicated (?);
p. pr. & vb. n.
Duplicating.]
1. To double; to fold; to render double.
2. To make a duplicate of (something); to make a copy or transcript of. Glanvill.
3.
(Biol.) To divide
into two by
natural growth or spontaneous action; as, infusoria duplicate themselves.
Du"pli*cate , n.
1. That which exactly resembles or corresponds to something else; another, correspondent
to the first; hence, a copy; a transcript; a counterpart.
I send a duplicate both of it and my last dispatch.
Sir
W. Temple.
2. (Law) An original instrument repeated; a document which is the same as another in
all essential particulars,
and differing from a mere copy in having all
the validity of an original. Burrill.
Du"pli*cate (?), a. [L. duplicatus, p. p. of duplicare to double, fr. duplex double, twofold. See Duplex.]
Double;
twofold.
Duplicate proportion or ratio (Math.), the proportion or ratio of
squares. Thus, in geometrical proportion, the first term to
the third is said to be in a duplicate ratio of the first
to the second, or as
its square is to the square of the
second. Thus, in 2, 4, 8, 16, the ratio of 2 to 8
is a duplicate of that of 2 to 4,
or as the square of 2 is
to the square of 4.
Hear it pronounced