| slovo | definícia |
porphyry
(encz) | porphyry,porfyr n: [geol.] vyvřelá hornina Petr Prášek |
Porphyry
(gcide) | Porphyry \Por"phy*ry\, n.; pl. Porphyries. [F. porphyre, L.
porphyrites, fr. Gr. ? like purple, fr. ? purple. See
Purple.] (Geol.)
A term used somewhat loosely to designate a rock consisting
of a fine-grained base (usually feldspathic) through which
crystals, as of feldspar or quartz, are disseminated. There
are red, purple, and green varieties, which are highly
esteemed as marbles.
[1913 Webster]
Porphyry shell (Zool.), a handsome marine gastropod shell
(Oliva porphyria), having a dark red or brown polished
surface, marked with light spots, like porphyry.
[1913 Webster] |
porphyry
(wn) | porphyry
n 1: any igneous rock with crystals embedded in a finer
groundmass of minerals [syn: porphyry, {porphyritic
rock}] |
| | podobné slovo | definícia |
porphyry
(encz) | porphyry,porfyr n: [geol.] vyvřelá hornina Petr Prášek |
Porphyry shell
(gcide) | Porphyry \Por"phy*ry\, n.; pl. Porphyries. [F. porphyre, L.
porphyrites, fr. Gr. ? like purple, fr. ? purple. See
Purple.] (Geol.)
A term used somewhat loosely to designate a rock consisting
of a fine-grained base (usually feldspathic) through which
crystals, as of feldspar or quartz, are disseminated. There
are red, purple, and green varieties, which are highly
esteemed as marbles.
[1913 Webster]
Porphyry shell (Zool.), a handsome marine gastropod shell
(Oliva porphyria), having a dark red or brown polished
surface, marked with light spots, like porphyry.
[1913 Webster] |
porphyry
(wn) | porphyry
n 1: any igneous rock with crystals embedded in a finer
groundmass of minerals [syn: porphyry, {porphyritic
rock}] |
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