Joker
Truncation

Truncation is like a wildcard. Added to the stem of a word, it will find that stem plus anything that comes after it. The symbol used to truncate a word depends upon the index, database, or Web search engine you are using.

psychol? ? is used as the truncation symbol. It will return records with psychology, psychological, psychologist in them.
environ* * is used as the truncation symbol. It will return records with environment, environments, environmental in them.
back