<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31344355</termId><termName>bone ash</termName><termType>PT</termType><termNote><![CDATA[ A white ash composed chiefly of phosphate of lime; obtained by burning bones in air. Bone ash is used in cleaning jewelry; bone ash cupels have been related in Medieval and later archaeological contexts to the refining of noble metals in alchemy, assaying, jewelry, and coin minting. ]]></termNote><termCreatedDate>2026-03-30 20:32:52</termCreatedDate><relation><relationType>UF</relationType><termId>31344356</termId><termName>ash, bone</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31320434</termId><termName>ash</termName><termType>PT</termType></relation></term>  </Zthes>