<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31343571</termId><termName>bismuth</termName><termType>PT</termType><termNote><![CDATA[ Pure metallic element having as symbol Bi. Bismuth is brittle with a low melting point; a grayish-white lustrous metal oxidized by air. It is chiefly used in the arts as an alloy, as in bronze, and is used ground as a pigment. ]]></termNote><termCreatedDate>2026-03-30 20:32:39</termCreatedDate><relation><relationType>UF</relationType><termId>31343572</termId><termName>Bi</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31375243</termId><termName>nonferrous metal</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>31319740</termId><termName>elements</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31437248</termId><termName>bismuth black</termName><termType>PT</termType></relation></term>  </Zthes>