ways in which infants learn the meanings of new words
Infants must be able to hear and play with sounds in their environment, and to break up various phonetic units to discover words and their related meanings.
Vocabulary development
 Infants must be able to hear and play with sounds in their environment, and to break up various phonetic units to discover words and their related meanings.
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Vocabulary development [SEP] Early word learning
Children's understanding of names for objects and people usually precedes their understanding of words that describe actions and relationships. "One" and "two" are the first number words that children learn between the ages of one and two. Infants must be able to hear and play with sounds in their environment, and to break up various phonetic units to discover words and their related meanings.