| shadowing | Procedure much used in electron microscopy, in which a thin layer of material, usually heavy metal or carbon, is deposited onto a surface from one side, in such a way as to cast shadows. Deposition is usually done by vapourising the metal on an electrode under vacuum. (18 Nov 1997) |
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| shadowing (histology) | The technique of spraying a tissue specimen with a thin coat of a heavy metal such as platinum. The specimen is sprayed from an oblique angle, which results in the uneven deposition of the coating. The varying thicknesses create a shadow effect and give a three-dimensional appearance to the specimen. (12 Dec 1998) |
| shadowy | 1. Full of shade or shadows; causing shade or shadow. "Shadowy verdure." "This shadowy desert, unfrequented woods." (Shak) 2. Hence, dark; obscure; gloomy; dim. "The shadowy past." 3. Not brightly luminous; faintly light. "The moon . . . With more pleasing light, Shadowy sets off the face things." (Milton) 4. Faintly representative; hence, typical. "From sshadowy types to truth, from flesh to spirit." (Milton) 5. Unsubstantial; unreal; as, shadowy honor. "Milton has brought into his poems two actors of a shadowy and fictitious nature, in the persons of Sin and Death." (Addison) Source: Websters Dictionary (01 Mar 1998) |
| shadrach | <chemistry> A mass of iron on which the operation of smelting has failed of its intended effect; so called from Shadrach, one of the three Hebrews who came forth unharmed from the fiery furnace of Nebuchadnezzar. (See) Source: Websters Dictionary (01 Mar 1998) |
| shady | 1. Abounding in shade or shades; overspread with shade; causing shade. "The shady trees cover him with their shadow." (Job. Xl. 22) "And Amaryllis fills the shady groves." (Dryden) 2. Sheltered from the glare of light or sultry heat. "Cast it also that you may have rooms shady for summer and warm for winter." (Bacon) 3. Of or pertaining to shade or darkness; hence, unfit to be seen or known; equivocal; dubious or corrupt. "A shady business." "Shady characters, disreputable, criminal." (London Spectator) On the shady side of, on the thither side of; as, on the shady side of fifty; that is, more than fifty. To keep shady, to stay in concealment; also, to be reticent. Origin: Shadier; Shadiest. Source: Websters Dictionary (01 Mar 1998) |