insensible water loss


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loss

 [laws]
the amount by which a quantity or group is diminished; something that escapes from its owner's possession.
hearing loss see hearing loss.
insensible loss (insensible water loss) the amount of fluid lost on a daily basis from the lungs, skin, and respiratory tract, as well as water excreted in the feces; the exact amount cannot be measured, but it is estimated to be between 40 cc and 600 cc in an adult under normal circumstances. See also sweating.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

insensible water loss

Loss of water by evaporation from the skin of perspiration so slight that the subject is unaware of it.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005