obsidian

(redirected from Obsidian scalpel)
Also found in: Thesaurus, Encyclopedia.

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 periodicals archive ?
The late Don Crabtree, who, although unschooled, singlehandedly put the academic study of knapping on a practical footing, had long advocated the benefits of using obsidian scalpel blades in surgery, this observed from his own quickly healed wounds whenever he accidently cut himself with a flake.
After being diagnosed with heart disease, Crabtree asked his surgeon to operate on him with his own home-made feather-edged obsidian scalpels.