We found 2 dictionaries that define the word hyponitrous acids:

General (2 matching dictionaries)

1. hyponitrous acids: Merriam-Webster
2. hyponitrous acids: Collins English Dictionary

(Note: See hyponitrous_acid as well.)

Definitions from Wiktionary (hyponitrous acid) ▸ noun:  (inorganic chemistry) The unstable compound HNO ▸ Also see hyponitrous_acid ▸ Words similar to hyponitrous acids ▸ Usage examples for hyponitrous acids ▸ Idioms related to hyponitrous acids ▸ Wikipedia articles (New!) ▸ Words that often appear near hyponitrous acids ▸ Rhymes of hyponitrous acids ▸ Invented words related to hyponitrous acids