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 (pôr′sə-lĭn, pôrs′lĭn)
1. A hard, white, translucent ceramic made by firing a pure clay and then glazing it with variously colored fusible materials; china.
2. An object made of this substance.

[French porcelaine, cowry shell, porcelain, from Old French, from Old Italian porcellana, from feminine of porcellano, of a young sow (from the shell's resemblance to a pig's back), from porcella, young sow, diminutive of porca, sow, from Latin, feminine of porcus, pig; see porko- in Indo-European roots.]

por′ce·la′ne·ous (-lā′nē-əs) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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2014, Jocelyn Armstrong porcelaneous stoneware, black slip 22" X 9" X 8"
As for the benthic foraminiferal test composition, hyaline taxa dominate the assemblages (66%), agglutinated taxa are abundant (33%), and porcelaneous taxa are very scarce (<1%).
If the flame structure is not visible in a conch pearl with the unaided eye, it is called porcelaneous (Fritsch and Misiorowski, 1987).
Calcareous foraminifera are further divided into hyaline (porous CaC[O.sub.3] test composed of interlocking microcrystals) and porcelaneous (non-porous CaC[O.sub.3] test composed of randomly arranged rods) forms.
The occurrence of large number of porcelaneous imperforate foraminiferal tests may point to the depositional environment being slightly hyper-saline [65].
Peristome markedly oblique, more or less in one tangential plane; aperture subcircular to roundly quadrate; columella lip robust, with 2 relatively massive teeth, the upper one slightly more robust, the lower one somewhat narrower and with a small denticle on its lower margin; parietal and umbilical region covered with well-developed, glossy callus which flares outward over base; callus porcelaneous and mostly smooth, but with some beads of unequal size in region adjacent to columella teeth; one particularly strong bead at base of lower columella tooth; edge of callus raised and flaring where it joins flared margin of outer lip.
The Milioline have imperforate calcareous test of porcelaneous appearance with a planispiral coiled proloculus [7].
Manzuche (1991) worked on formulation of some high fired porcelaneous throwing bodies and glaze fit using raw materials from Akwanga Local government Area of Nassarawa State.
Some crystals are coated on one or both sides by a thin layer of dull, white, porcelaneous calcite (identification by powder X-ray diffraction and Raman spectroscopy), removal of which leaves a pitted, lusterless surface; in many cases the specimens are more aesthetic with the partial calcite coating left intact, as it provides a nice contrast.