n [ U ]
a US chemical used for dissolving substances that block pipes, especially in the kitchen and the bathroom. It is available as a liquid or in the form of crystals, and is made by the SC Johnson Company.
n [ U ]
a US chemical used for dissolving substances that block pipes, especially in the kitchen and the bathroom. It is available as a liquid or in the form of crystals, and is made by the SC Johnson Company.
Oxford guide to British and American culture English vocabulary. Руководство по британской и американской культуре, Оксфордский английский словарь. 2005