Vocabulary Skill

Prefixes Some words can be divided into parts. A root is the part of the word that carries the basic meaning. A prefix is a word part that is placed in front of the root to change the word’s meaning. The prefixes below will help you understand some vocabulary in this chapter.

Vocabulary Skill

Quick Check What is the prefix in each boldface word below.

There was an intermission between the acts of the play.
The biosphere is the area where life exists.

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