Reliable Online Medical Dictionaries: Definitions & Explanations

Here are a few online medical dictionaries:

1. [Merriam-Webster Medical Dictionary](https://www.merriam-webster.com/medical/): This dictionary provides definitions for medical terms and phrases, including those related to anatomy, physiology, diseases, and treatments. It also includes pronunciations, etymologies, and usage examples.

2. [MedlinePlus Medical Dictionary](https://medlineplus.gov/dictionary/): This dictionary is produced by the National Library of Medicine and provides comprehensive definitions for medical terms and concepts. It includes illustrations, animations, and audio pronunciations to aid understanding.

3. [Dorland's Medical Dictionary](https://www.merriam-webster.com/dictionary/dorlands-medical-dictionary): This is a comprehensive medical dictionary that provides definitions for a wide range of terms related to medicine, surgery, nursing, and other health sciences. It includes extensive cross-referencing and etymology information.

4. [Stedman's Medical Dictionary](https://www.amazon.com/Stedmans-Medical-Dictionary-28-Volume-2/dp/032303320X): This is another extensive medical dictionary that provides definitions for terms in medicine, nursing, dentistry, veterinary science, and other health fields. It includes illustrations, tables, and appendices for quick reference.

5. [Oxford Medical Dictionary](https://www.oxfordreference.com/view/10.1093/acref/9780199602368.001.0001/acref-9780199602368): This dictionary provides definitions for medical terms, including those from anatomy, physiology, pharmacology, and public health. It also includes etymologies, illustrations, and cross-referencing.