self-shadowing

shadowing

[shad-oh-ing]
noun Cytology, Histology.
a method of enhancing the visibility of the surface features of a specimen for electron microscopic viewing by spraying it from one side with a coating of metal atoms.

Origin:
shadow + -ing1

self-shadowing, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Etymonline
Word Origin & History

shadow
O.E. sceadwe, sceaduwe, oblique cases of sceadu (see shade). As a designation of members of an opposition party chosen as counterparts of the government in power, it is recorded from 1906. Shadow of Death (Ps. xxiii:4, etc.) is Gk. skia thanatou, perhaps a mistranslation of
a Heb. word for "intense darkness."

shadow
late O.E. sceadwian "to protect as with covering wings" (cf. also overshadow), from the root of shadow (n.). Meaning "to follow like a shadow" is from c.1600 in an isolated instance; not attested again until 1872.
Online Etymology Dictionary, © 2010 Douglas Harper
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