더어플

Oxford Dictionary of English
Ideal for anyone who needs a comprehensive and authoritative dictionary of current English; for professionals, students, academics, and for use at work or at home.

Features:

• Search for entries by name or browse the entire word list
• Search online or download the dictionary directly to your mobile device.
  “For all its entries, the Oxford has good clear definitions, excellent descriptions of word origins, and plenty of usage boxes.”‘ – Richard Bell, Writing Magazine