Truncation

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

Joker
psychol? will return records on psychology, psychological, psychologist.

? is used as the truncation symbol, for example, in the Eli Library Catalog.

environ* will return records on environment, environmental, or even environs.

* is used as the truncation symbol, for example, in Academic Search Complete and a majority of the other article databases.

Truncation can also be used within a word. For example, wom*n o wom?n will return woman and women.

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