<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31373915</termId><termName>acid dye</termName><termType>PT</termType><termNote><![CDATA[ Any of a large class of dyes that contain sodium salts of sulfonic or carboylic acid which react with polyamides (such as silk, wool, and nylon) to create a uniform, lightfast color. ]]></termNote><termCreatedDate>2026-03-30 20:40:50</termCreatedDate><relation><relationType>UF</relationType><termId>31373916</termId><termName>acid dyes</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31373917</termId><termName>dye, acid</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31343657</termId><termName>dye by property</termName><termType>PT</termType></relation></term>  </Zthes>