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.
FrontFour Capital Group, together with its affiliates, commented on recent developments related to Obsidian Energy.
US-based biotechnology company Obsidian Therapeutics, Inc.
Obsidian Systems has partnered with Dataguise to provide comprehensive data governance.
Obsidian Entertainment took to rewards and investment crowdfunding platform (http://www.
ARCHAEOLOGICAL AGE ESTIMATION BASED ON OBSIDIAN HYDRATION DATA FOR TWO SOUTHERN ANDEAN SOURCES
THREE of the four homes at Obsidian House are in contract.
Corsair has introduced Obsidian Series 750D Airflow Edition full-tower PC case.
Karnataka, June 3 -- Corsair(R), a world leader in high-performance PC hardware, today announced the Obsidian Series(R) 750D Airflow Edition full-tower PC case.
During PXRF analysis of obsidian recovered from sites on the Sepik coast of northern Papua New Guinea, seven pieces were identified exhibiting a chemical signature inconsistent with sources in the Bismarck Archipelago previously identified on the coast.
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.