Porphyritic is a 11 letter English word. It's valid Words with friends word worth 24 points.
You can make 308 anagrams from letters in porphyritic (chiiopprrty).
1375-1425; late Middle English porphiritike Medieval Latin porphyrīticus Greek porphyrītikós of porphyry; see -ic
Long before this it existed as a slate and porphyritic line of hills.
The shales become dense, highly crystalline rocks of a "hornstone" type, with porphyritic developments of silicate minerals.
The soil, in fact, was bestrewn with quartz and porphyritic rocks.
Some of the porphyritic rocks above mentioned are highly quartzose, others very felspathic.
Subsequently the porphyritic rock flowed over the surface in a pasty mass, covering the limestone.
In the main the lava is an andesite, and is very generally of a porphyritic structure.
From two to three feet of mighty greenstone penetrate these porphyritic rocks.
Page 40: "porphorytic" changed to "porphyritic" (the greenstone is handsomely porphyritic).
porphyritic mountains, says M. Maury, imprint on the landscape a peculiarly picturesque character.
The sands and sandstones become highly crystalline quartzites, spotted with porphyritic developments of silicates.
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