<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31305925</termId><termName>propellant</termName><termType>PT</termType><termNote><![CDATA[ A material used to propel an object or substance, including the following: an explosive used to propel a bullet or shell in firearms, a substance used as a source of the hot gases that provide the thrust in a rocket engine, or the compressed fluid in an aerosol container that causes its contents to be ejected. ]]></termNote><termCreatedDate>2026-03-30 20:22:18</termCreatedDate><relation><relationType>BT</relationType><termId>31298939</termId><termName>materials by function</termName><termType>PT</termType></relation></term>  </Zthes>