superphosphate
noun
superphosphate is a noun meaning “A fertilizer produced by the action of concentrated sulfuric acid on powdered phosphate rock” (English Wiktionary, September 2026). It is spelled S-U-P-E-R-P-H-O-S-P-H-A-T-E, and it appears about once in every 51 million words in written English (wordfreq, 2021 data). The plural of superphosphate is superphosphates.
What does superphosphate mean?
noun
- 1
A fertilizer produced by the action of concentrated sulfuric acid on powdered phosphate rock.
- 2
A phosphate containing the greatest amount of phosphoric acid that can combine with the base.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you pronounce superphosphate?
- 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-superphosphate.wav, Wikimedia Commons (author and licence on each file's page).
Forms of superphosphate
- superphosphates plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is superphosphate?
Superphosphate appears about once in every 51 million words in written English, the 222,788th 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).
Where does superphosphate come from?
From super- + phosphate.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).