We found 8 dictionaries that define the word phosphorous acids:

General (3 matching dictionaries)

1. phosphorous acids: Merriam-Webster
2. phosphorous acids: Collins English Dictionary
3. phosphorous acids: Vocabulary.com

Computing (1 matching dictionary)

4. Phosphorous acids: Encyclopedia

Medicine (4 matching dictionaries)

5. phosphorous acids: Merriam-Webster Medical Dictionary
6. Medical Dictionary (No longer online)
7. online medical dictionary (No longer online)
8. Phosphorous acids: Medical dictionary

(Note: See phosphorous_acid as well.)

Definitions from Wiktionary (phosphorous acid) ▸ noun:  (chemistry) a yellowish hygroscopic solid, H₃PO₃; a mild reducing agent ▸ Also see phosphorous_acid ▸ Words similar to phosphorous acids ▸ Usage examples for phosphorous acids ▸ Idioms related to phosphorous acids ▸ Wikipedia articles (New!) ▸ Words that often appear near phosphorous acids ▸ Rhymes of phosphorous acids ▸ Invented words related to phosphorous acids