Petrified wood is a silicic pseudomorph of the original wood.
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Pseudomorph — Pseu do*morph, n. [See {Pseudomorphous}.] 1. An irregular or deceptive form. [1913 Webster] 2. (Crystallog.) A {pseudomorphous crystal}, such as a crystal consisting of quartz, but having the cubic form of fluor spar, the fluor crystal having… … The Collaborative International Dictionary of English
pseudomorph — [so͞o′də môrf΄] n. [< Gr pseudomorphos, having a false form: see PSEUDO & MORPH] 1. a false or irregular form 2. a mineral possessing the external form characteristic of another pseudomorphism [soo΄dəmôr′fiz΄əm] n. pseudomorphous… … English World dictionary
Pseudomorph — In geology, a pseudomorph is a mineral compound resulting from a substitution process in which the appearance and dimensions remain constant, but the mineral which makes up the chief component of the compound is replaced by another. The name… … Wikipedia
pseudomorph — pseudomorphic, pseudomorphous, adj. pseudomorphism, n. /sooh deuh mawrf /, n. 1. an irregular or unclassifiable form. 2. a mineral having the outward appearance of another mineral that it has replaced by chemical action. [1840 50; PSEUDO + MORPH] … Universalium
pseudomorph Crystallography — [ s(j)u:də(ʊ)mɔ:f] noun a crystal consisting of one mineral but having the form of another. verb replace to form a pseudomorph. Derivatives pseudomorphic adjective pseudomorphism noun pseudomorphous adjective Origin … English new terms dictionary
pseudomorph — noun Etymology: probably from French pseudomorphe, from pseud + morphe morph Date: 1849 1. a mineral having the characteristic outward form of another species 2. a deceptive or irregular form • pseudomorphic adjective • pseudomorphism noun •… … New Collegiate Dictionary
pseudomorph — A mineral found crystallized in a form that is not proper to it but to some other mineral. [pseudo + G. morphe, form] … Medical dictionary
pseudomorph — pseu|do|mọrph 〈Adj.〉 Pseudomorphose aufweisend, durch Pseudomorphose entstanden * * * pseu|do|mọrph <Adj.> (Mineral.): Pseudomorphose aufweisend … Universal-Lexikon
pseudomorph — pseu|do|mọrph 〈Adj.; Min.〉 Pseudomorphose aufweisend, durch Pseudomorphose entstanden … Lexikalische Deutsches Wörterbuch
pseudomorph — pseu|do|morph <zu ↑...morph> Pseudomorphose zeigend … Das große Fremdwörterbuch
