<span class="searchmatch">soapening</span> present participle and gerund of soapen sapogenin...
Wikipedia has an article on: sapogenin Wikipedia sapogenin (plural sapogenins) (organic chemistry) The steroid constituent of the glycoside saponin <span class="searchmatch">soapening</span>...
singular simple present soapens, present participle <span class="searchmatch">soapening</span>, simple past and past participle <span class="searchmatch">soapened</span>) (transitive) To make soapy; apply soap to; lather...