Research
An advanced-level dictionary for learners of American English.
It includes 145,000 words, phrases, and meanings and 85,500 examples showing how words are used. It can also help you check your pronunciation.
This research database provides access to a multimedia encyclopedia for students in grades Pre-K through 5th.
Search through a variety of topics arranged for elementary-aged students.
This interactive, multimedia database helps students to learn about a variety of subjects.