We don't have synonyms for hydracids yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are hydracid, hydrazide and hydramide.
(n) :
(chemistry) An acid that does not contain any oxygen; they are all binary compounds of hydrogen plus either a halogen (for example, hydrochloric acid, hydrofluoric acid, hydroiodic acid, hydrobromic acid) or a pseudohalogen.
(n) :
(chemistry) An acid that does not contain any oxygen; they are all binary compounds of hydrogen plus either a halogen (for example, hydrochloric acid, hydrofluoric acid, hydroiodic acid, hydrobromic acid) or a pseudohalogen.