blanch(redirected from blanches)
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to become pale.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
1. To become white or pale, as skin or mucous membrane affected by vasoconstriction.
2. To whiten or bleach a surface or substance.
[O.Fr. blanchir, fr. blanc, white]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012