Parian cement

Parian cement

[′par·ē·ən si‚ment]
(materials)
Gypsum plaster containing borax, which dries to a hard finish.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

Parian cement, Parian plaster

Similar to Keene’s cement, but contains borax as an additive in place of alum.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.