from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An acid that does not contain any oxygen as opposed to an oxyacid; they are all binary compounds of hydrogen and a halogen or pseudohalogen.
from the GNU version of the Collaborative International Dictionary of English
- n. An acid containing hydrogen; -- sometimes applied to distinguish acids like hydrochloric, hydrofluoric, and the like, which contain no oxygen, from the oxygen acids or oxacids. See acid.
from The Century Dictionary and Cyclopedia
- n. In chem., a halogen; an acid which does not contain oxygen.
Sorry, no etymologies found.
If for the oxacid a hydracid be substituted (927.), -- as one analogous to the muriatic, for instance, -- then the state of things changes altogether, and a current due to the chemical action of the acid on the base is possible.