\Am"pli*fy\, v. t. [imp. & p. p. {Amplified}; p. pr. &
vb. n. {Amplifying}.] [F. amplifier, L. amplificare. See
{Ample}, {-fy}.]
1. To render larger, more extended, or more intense, and the
   like; -- used especially of telescopes, microscopes, etc.
2. (Rhet.) To enlarge by addition or discussion; to treat
   copiously by adding particulars, illustrations, etc.; to
   expand; to make much of.
         Troilus and Cressida was written by a Lombard
         author, but much amplified by our English
         translator.                           --Dryden.

\Am"pli*fy\, v. i.
1. To become larger. [Obs.]
         Strait was the way at first, withouten light, But
         further in did further amplify.       --Fairfax.
2. To speak largely or copiously; to be diffuse in argument
   or description; to dilate; to expatiate; -- often with on
   or upon. --Watts.
         He must often enlarge and amplify upon the subject
         he handles.                           --South.