back siphonage

back siphonage

[′bak ¦sī·fən·ij]

(civil engineering)

The flowing back of used, contaminated, or polluted water from a plumbing fixture or vessel into the pipe which feeds it; caused by reduced pressure in the pipe.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

back siphonage

The flowing back of used, contaminated, or polluted water from a plumbing fixture or vessel into the pipe which feeds it; due to reduced pressure in the pipe.

McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.