Dictionary
search :       browse : 
A B C D E F G H I J K L M
  N O P Q R S T U V W X Y Z
         
Description
Related Terms
Everyday Examples
Interactive Checkpoint
More Information
Challenge
How to use this dictionary
Contact
 Everyday Examples
 Cross-section:  The region formed by the intersection of a solid and a plane.
When a tree is cut down, the stump is left. When you cut through the trunk of the tree, you can see a cross section of the trunk. On the cross section, you can count the rings to determine the age of the tree.

A cross section of the tree trunk is left when you cut through a tree.

Photo copyrighted by Derek Locke.