Truncation, also called stemming, is a technique that broadens your search to include various word endings and spellings.
Similar to truncation, wildcards substitute a symbol for one letter of a word.
If you have questions about applying this technique to your search, ask a librarian.
These pages are based on a guide developed by the Massachusetts Institute of Technology (MIT) Libraries. They are used here under the creative commons (cc) licence. The original pages can be found here http://libguides.mit.edu/c.php?g=175963&p=1160724