Pronunciation: (sim'u-lur), [key]
1. having a likeness or resemblance, esp. in a general way: two similar houses.
2. Geom.(of figures) having the same shape; having corresponding sides proportional and corresponding angles equal: similar triangles.
3. Math.(of two square matrices) related by means of a similarity transformation.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.