CK-12 Foundation
Ck 12: Geometry: Composition of Transformations Study Guide
This study guide on the composition of transformations covers some vocabulary terms and different types of these compositions. It is available for download with free registration.
University of Regina (Canada)
University of Regina: Math Central: Mathematics Glossary
This site contains the definitions for many geometric terms including transformations.
Wolfram Research
Wolfram Math World: Conformal Mapping
This site explains what conformal mapping is, gives alternative names used in reference of this transformation, uses pictured examples to emphasize the particulars of the definition, gives an if statement with regards to conforming...