<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31343306</termId><termName>titanium dioxide</termName><termType>PT</termType><termNote><![CDATA[ A naturally occurring oxide of titanium, having the chemical formula TiO2. It is a very stable compound with a high refractive index, used in food coloring, sunscreen, as a pigment, and in other applications. ]]></termNote><termCreatedDate>2026-03-30 20:32:35</termCreatedDate><relation><relationType>UF</relationType><termId>31343307</termId><termName>titania</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31343308</termId><termName>titanium (IV) oxide</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31319736</termId><termName>compounds</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31437733</termId><termName>titanium white</termName><termType>PT</termType></relation></term>  </Zthes>