LibGuides: Encyclopedias, Dictionaries, Atlases: Dictionaries

Dictionaries

General and Specialized

Merriam-Webster Visual Dictionary Online - Picture Dictionary
Merriam-Webster Online - Dictionary and thesaurus. Also has Spanish - English and medical dictionaries.
American Heritage Dictionary of the English Language - The 5th edition of this excellent dictionary.
Collins English Dictionary - Also has a thesaurus, translator, and section for those learning English.
Cambridge Dictionary Online - Basic dictionary for people learning English.
Wordnik - One-stop shopping. Has definitions, synonyms, pronunciations, usage, images illustrating the word, and more.
Oxford Picture Dictionary - A large collection available via YouTube
Oxford Reference - A large collection of general and subject-specific dictionaries. Restricted to ACC students.
Medical Terminology, Dictionaries and ICD - links to several web resources relating to health care and disease.

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Oxford Reference Online - Modern Languages - available only to ACC students and staff. Bilingual dictionaries for Spanish, French, German, Italian, and more.
Google Translate - translates words or phrases both to and from English, French, Spanish, German, Italian, and Portuguese. This site will also translate entire web pages if you enter the URL.
Yourdictionary.com Language Dictionaries - links to over 250 online non-English dictionaries.

ARTFL Project: French to English, English to French
Collins French Dictionary - English to French, French to English. Can pronounce words

Dictionary of Spanish - Spanish to English, English to Spanish
Collins Spanish Dictionary - English to Spanish, Spanish to English. Can pronounce words

Collins German Dictionary - English to German, German to English. Can pronounce words
Pons Online Dictionary - This online dictionary comes very close to providing the lexical and semantic information in a paper dictionary.

Freely available online:

ACC Library Services Databases with online Dictionaries:

Credo Reference
Online collection of general and subject-specific reference works on all major topic areas.
Gale eBooks
Online collection of general and subject-specific encyclopedias on all major topic areas.
Oxford English Dictionary (OED) Online

The OED is considered by many to be the definitive record of the English language, featuring 600000 words, 3 million quotations, and over 1000 years of English.