phosphoric acid

1. 1.

   an acid used in fertilizers and soaps: H3PO4

   Synonymsorthophosphoric acid

   Broaderoxyacid

Questions about phosphoric acid

What does phosphoric acid mean?

phosphoric acid means "an acid used in fertilizers and soaps: H3PO4".

What is another word for phosphoric acid?

Close synonyms include orthophosphoric acid. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is phosphoric acid a common word?

phosphoric acid is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.