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vitrified-clay pipe[′vi·trə‚fīd ¦klā ′pīp]
A pipe, made of clay treated in a kiln to induce vitrification, with the surface glazed for watertightness; used for drainage.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
Pipe manufactured of an earthenware material which is glazed so that it is impervious to water and has a high resistance to chemical corrosion; in the US, sometimes used for house sewer pipes and underground drainage.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.