The Oxford English Dictionary (OED) is widely regarded as the accepted authority on the English language. It is a guide to the meaning, history, and pronunciation of 600,000 words— past and present—from across the English-speaking world.
Comprehensive online bilingual dictionaries in a number of world languages, including:
Dictionaries via Credo Reference
Credo Reference contains over 500 online reference books, including mono and bilingual dictionaries.
Science, Engineering, Media, Technology
Cosnautas (English-Spanish professional resources for medical translators)
Free Technical Dictionaries / Glossaries for Translation
Search millions of translated terms and phrases in a collection of glossaries and dictionaries built by and for professional translators. This is a resource for technical words in many fields, including law, medicine, science, business, technology and arts subjects.
IATE is a vast database of terminology applied in official public EU documents, covering many fields and all official EU languages. It includes legal terms and terminology in many other domains as well, including finance, science, agriculture, among others. It covers 25 languages in total and is regularly updated by translators and interpreters.
This site lists a number of free legal terminology glossaries in various languages, including Arabic, Chinese, French, German and Spanish.
This site lists further free legal terminology glossaries in various languages.
Free Bilingual Arabic Dictionaries
These dictionaries are available in print on floor B4 of Regent Library.