<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31363137</termId><termName>carats</termName><termType>PT</termType><termNote><![CDATA[ Standard measurement of the weight of gemstones, equal to 0.200 grams. Until 1913, the carat's weight varied in different countries, generally defined around 3.17 grains. ]]></termNote><termCreatedDate>2026-03-30 20:38:00</termCreatedDate><relation><relationType>UF</relationType><termId>31363138</termId><termName>carat</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31333942</termId><termName>size/dimension units for weight</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>31363162</termId><termName>troy ounces</termName><termType>PT</termType></relation></term>  </Zthes>