undersaturated fluid

undersaturated fluid

[¦ən·dər¦sach·ə‚rād·əd ′flü·əd]
(physical chemistry)
Any fluid (liquid or gas) capable of holding additional vapor or liquid components in solution at specified conditions of pressure and temperature.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.