<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31344122</termId><termName>aqua fortis</termName><termType>PT</termType><termNote><![CDATA[ Latin for nitric acid, a dilution of which is the principal mordant used in etching. ]]></termNote><termCreatedDate>2026-03-30 20:32:47</termCreatedDate><relation><relationType>BT</relationType><termId>31320072</termId><termName>mordant</termName><termType>PT</termType></relation></term>  </Zthes>