phosphite
noun
phosphite is a noun meaning “any salt or ester of phosphorous acid” (English Wiktionary, September 2026). It is spelled P-H-O-S-P-H-I-T-E, and it appears about once in every 36 million words in written English (wordfreq, 2021 data). The plural of phosphite is phosphites.
What does phosphite mean?
noun
- 1
any salt or ester of phosphorous acid
- 2
the anion PO₃³⁻, or the trivalent radical PO₃
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you pronounce phosphite?
- US
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Flame,_not_lame-phosphite.wav, Wikimedia Commons (author and licence on each file's page).
Forms of phosphite
- phosphites plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is phosphite?
Phosphite appears about once in every 36 million words in written English, the 184,844th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Phosphite in Spanish, French, German and Portuguese
In the sense any salt or ester of phosphorous acid:
| Language | Words |
|---|---|
| Spanish | fosfito |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.