obsidian


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ob·sid·i·an

 (ŏb-sĭd′ē-ən)
n.
A usually black or banded, hard volcanic glass that displays shiny, curved surfaces when fractured and is formed by rapid cooling of lava.

[Latin obsidiānus, misreading of obsiānus (lapis), Obsian (stone), obsidian, after Obsius, a Roman who supposedly discovered it or a similar mineral.]

obsidian

(ɒbˈsɪdɪən)
n
(Geological Science) a dark volcanic glass formed by very rapid solidification of lava. Also called: Iceland agate
[C17: from Latin obsidiānus, erroneous transcription of obsiānus (lapis) (stone of) Obsius, the name (in Pliny) of the discoverer of a stone resembling obsidian]

ob•sid•i•an

(əbˈsɪd i ən)

n.
a volcanic glass similar in composition to granite, usu. dark but transparent in thin pieces, and having a good conchoidal fracture.
[1790–1800; < Latin Obsidiānus, printer's error for Obsiānus pertaining to Obsius, the discoverer (according to Pliny) of a similar mineral in Ethiopia; compare Middle English obsianus < Latin; see -an1]

ob·sid·i·an

(ŏb-sĭd′ē-ən)
A shiny, usually black, volcanic glass. Obsidian forms from lava that cools so quickly that minerals do not have a chance to form within it.

obsidian

A glassy volcanic rock.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.obsidian - acid or granitic glass formed by the rapid cooling of lava without crystallizationobsidian - acid or granitic glass formed by the rapid cooling of lava without crystallization; usually dark, but transparent in thin pieces
volcanic glass - a kind of natural glass produced when molten lava cools very rapidly
Translations
laavakiviobsidiaani
opsidijan
hrafntinna
黒曜石

obsidian

[ɒbˈsɪdɪən] Nobsidiana f

obsidian

[ɒbˈsɪdɪən] nossidiana
References in classic literature ?
Their weapons were bows and arrows; the latter tipped with obsidian, which abounds in the neighborhood.
NEW YORK, July 3, 2015 /PRNewswire/ -- Obsidian HDS, the developer of PharmaShine ( www.
Corsair has introduced Obsidian Series 750D Airflow Edition full-tower PC case.
Here we examine pan-regional exchange networks by applying graphical techniques from social network analysis (SNA) to chronicle variations in the supply of obsidian to inland and coastal centres.
For the Maya, who did not have metal tools, obsidian (or volcanic glass) was highly valued because of its sharp edges for use as cutting instruments.
A new technique which dates obsidian - volcanic glass which can be fashioned into tools - suggests that people were mining for obsidian in Mediterranean waters and shipping the once valuable rocks from the island of Melos in modern day Greece as far back as 15,000 years ago.
We [Square Enix] have partnered with Obsidian to bring this critically acclaimed classic franchise back in an all new, re-imagined form," said Ami Blaire, vice president of marketing at Square Enix, Inc.
SAMSUN, Aug 6, 2010 (TUR) -- An obsidian (volcanic glass), belonging to 4,000 years ago and used as scalpel in surgeries at those times was brought into daylight during the excavations carried out in ruins in Ikiztepe village in Bafra town in Black Sea province of Samsun.
The researchers focused on ancient objects made of the volcanic glass called obsidian.
Obsidian craft production in ancient central Mexico; archaeological research at Xochicalco.
In issue 18, Obsidian gives Damon (who works with Manhunter's titular character) a kiss.
Obsidian was a critically important material for paleolithic and neolithic peoples in the production of stone tools.