Answer:
process by which a child absorbs the meaning of a new word after hearing it once or twice in conversation
Explanation:
Fast mapping can be best defined as the process by which a child absorbs the meaning of a new word after hearing it once or twice in conversation. This occurs often at really young ages, which is one of the reasons that children are able to learn at a rapid pace, as well as the fact that children's prefrontal cortex of the brain, where working memory is stored, is still not developed thus allowing them to store a large quantity of information.
