Quick Reference: Encyclopedias & Dictionaries

Free online encyclopedia with pictures, facts and videos

An online fact-checked encyclopedia with hundreds of thousands of articles, biographies, videos and more

An online resource with thousands of articles about animals, plants, fungi, protists and bacteria, compiled from biodiversity knowledge providers around the world

Easy-to-understand answers about diseases and conditions

The A.D.A.M. Medical Encyclopedia includes over 4000 articles about diseases, tests, symptoms, injuries, and surgeries

A free open-access online database of medical images, teaching cases, and clinical topics provided by the NLM

Free online medical reference.

Video education platform for healthcare professionals and students

Reference book for professional health providers

This guide for nursing theories and nursing theorists aims to help you understand what comprises a nursing theory and its importance, purpose, history, types, or classifications, and give you an overview through summaries of selected nursing theories.

Searchable drug information

A peer-reviewed, open-access encyclopedia. Similar to wikipedia, except all the entries have been written and approved by scholars in the field

From the American Psychological Association

Includes grammar explanations, a thesaurus, and a translator

Online version of the well-known dictionary

Glossary of terms related to the nursing professional and professional nursing practice