Search
Search results
Displaying 11 - 20
dielectric
(Encyclopedia) dielectricdielectricdīˌĭlĕkˈtrĭk [key], material that does not conduct electricity readily, i.e., an insulator (see insulation). A good dielectric should also have other properties: It…calendering
(Encyclopedia) calendering, a finishing process by which paper, plastics, rubber, or textiles are pressed into sheets and smoothed, glazed, polished, or given a moiré or embossed surface. The…obscenity
(Encyclopedia) obscenity, in law, anything that tends to corrupt public morals by its indecency. The moral concepts that the term connotes vary from time to time and from place to place. In the…graphene
(Encyclopedia) graphene, virtually transparent, highly conductive carbon material in which the atoms are organized into a honeycomblike arrangement and form a thin sheet that is one atom thick. Andre…Hesychius of Alexandria
(Encyclopedia) Hesychius of AlexandriaHesychius of Alexandriahēsĭkˈēəs [key], fl. 5th cent.?, Alexandrian grammarian. Hesychius is known as the compiler of an invaluable lexicon, a glossary of…rammed earth
(Encyclopedia) rammed earth, material consisting chiefly of soil of sufficiently stiff consistency that has been placed in forms and pounded down. It has been used for buildings and walls since…blackhead
(Encyclopedia) blackhead, yellowish or blackish plug of material accumulated in the duct of a sebaceous gland. The material consists of keratin (horny cells of the epidermis) and modified sebum (oily…spectroscope
(Encyclopedia) spectroscope, optical instrument for producing spectral lines and measuring their wavelengths and intensities, used in spectral analysis (see spectrum). When a material is heated to…lathe
(Encyclopedia) lathelathelāᵺ [key], machine tool for holding and turning metal, wood, plastic, or other material against a cutting tool to form a cylindrical product or part. It also drills, bores,…calcination
(Encyclopedia) calcinationcalcinationkălˌsənāˈshən [key], in metallurgy, process of heating solid material to drive off volatile chemically combined components, e.g., carbon dioxide. It is sometimes…Trending
Here are the facts and trivia that people are buzzing about.
