We found 9 dictionaries that define the word precipitins:

General (4 matching dictionaries)

1. precipitins: Merriam-Webster
2. precipitins: Wiktionary
3. precipitins: Dictionary.com
4. Precipitins: TheFreeDictionary.com

Computing (1 matching dictionary)

5. Precipitins: Encyclopedia

Medicine (4 matching dictionaries)

6. precipitins: Merriam-Webster Medical Dictionary
7. Medical Dictionary (No longer online)
8. online medical dictionary (No longer online)
9. Precipitins: Medical dictionary

(Note: See precipitin as well.)

Definitions from Wiktionary (precipitin) ▸ noun:  Any antibody that reacts with an antigen to form a precipitate. ▸ Also see precipitin Opposite: anti-precipitins ▸ Words similar to precipitins ▸ Usage examples for precipitins ▸ Idioms related to precipitins ▸ Wikipedia articles (New!) ▸ Popular adjectives describing precipitins ▸ Words that often appear near precipitins ▸ Rhymes of precipitins ▸ Invented words related to precipitins