perphosphate
noun[L. perplexus, perplexor; per and plector, to twist; L. plico, to fold.]
A phosphate in which the phosphoric acid is combined with an oxyd at the maximum of oxydation. PERPLExPERPLExXIntricate; difficult.
[L. perplexus, perplexor; per and plector, to twist; L. plico, to fold.]