Blanched

to whiten by removing color; bleach:
Workers were blanching linen in the sun.
Cookery.

to scald briefly and then drain, as peaches or almonds to facilitate removal of skins, or as rice or macaroni to separate the grains or strands.
to scald or parboil (meat or vegetables) so as to whiten, remove the odor, prepare for cooking by other means, etc.

Horticulture. (of the stems or leaves of plants, as celery or lettuce) to whiten or prevent from becoming green by excluding light.
Metallurgy.

to give a white luster to (metals), as by means of acids.
to coat (sheet metal) with tin.

to make pale, as with sickness or fear:
The long illness had blanched her cheeks of their natural color.
to become white; turn pale:
The very thought of going made him blanch.
to force back or to one side; head off, as a deer or other quarry.
Contemporary Examples

Some Occupiers Are More Equal Than Others David Frum January 9, 2012
The Governor Who Hates Her State Bryan Curtis July 18, 2010
The $1,250 Facial Beth Landman March 17, 2010
The Stacks: How Leonard Chess Helped Make Muddy Waters Alex Belth August 1, 2014

Historical Examples

Heralds of Empire Agnes C. Laut
The Hound From The North Ridgwell Cullum
The History of David Grieve Mrs. Humphry Ward
History of the Moravian Church J. E. Hutton
Science in the Kitchen. Mrs. E. E. Kellogg
The Orchard of Tears Sax Rohmer

verb (mainly transitive)
(also intransitive) to remove colour from, or (of colour) to be removed; whiten; fade: the sun blanched the carpet, over the years the painting blanched
(usually intransitive) to become or cause to become pale, as with sickness or fear
to plunge tomatoes, nuts, etc, into boiling water to loosen the skin
to plunge (meat, green vegetables, etc) in boiling water or bring to the boil in water in order to whiten, preserve the natural colour, or reduce or remove a bitter or salty taste
to cause (celery, chicory, etc) to grow free of chlorophyll by the exclusion of sunlight
(metallurgy) to whiten (a metal), usually by treating it with an acid or by coating it with tin
(transitive) usually foll by over. to attempt to conceal something
v.