pseudomorph

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pseu·do·morph

(so͞o′də-môrf′)

1. A false, deceptive, or irregular form.

2. A mineral that has the crystalline form of another mineral rather than the form normally characteristic of its own composition.

pseu′do·mor′phic, pseu′do·mor′phous adj.

pseu′do·mor′phism n.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

pseudomorph

(ˈsjuːdəʊˌmɔːf)

(Minerals) a mineral that has an uncharacteristic crystalline form as a result of assuming the shape of another mineral that it has replaced

ˌpseudoˈmorphic, ˌpseudoˈmorphous adj

ˌpseudoˈmorphism n

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

pseu•do•morph

(ˈsu dəˌmɔrf)

n.

1. an irregular or unclassifiable form.

2. a mineral having the outward appearance of another mineral that it has replaced.

[1840–50]

pseu`do•mor′phic, pseu`do•mor′phous, adj.

pseu`do•mor′phism, n.

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References in periodicals archive ?

The demineralization of conodont elements yields a protein 'pseudomorph' possessing the same size and shape as the original element.

Carbon isotope values in conodont elements from the latest Devonian--Early Carboniferous carbonate platform facies (Timan-Pechora Basin)

Right: Christodoulos Panayiotou, Untitled, 2017, Amarelo Vila Real granite, various pseudomorph minerals, 18-karat yellow gold, 18-karat white gold, silver, waxed polyester thread, paulownia, leather and leatherette boxes.

Sharjah Biennial 13: various venues

Shattuckite was discovered in Bisbee, Arizona, USA (Shattuck mine) as a pseudomorph after malachite (Schaller, 1915).

Stabilized shattuckite and bisbeeite from the Democratic Republic of Congo

At places the complete transformation of hornblende to chlorite is visible in the form of pseudomorph left after hornblende.

Investigation of gold and base metals mineralization and the petrochemical studies of the associated host rocks, Shagari Bala area, Skardu Gilgit- Baltistan, Pakistan

The combination of these two secretions is thought to allow squid to produce ink of various consistencies, ranging from a diffuse cloud to a substantive pseudomorph (Boletsky, 1997; Young and Mangold, 2000; Bush and Robison, 2007).

Ink from longfin inshore squid, Doryteuthis pealeii, as a chemical and visual defense against two predatory fishes, summer flounder, paralichthys dentatus, and sea catfish, ariopsis felis

Even more importantly, the existence of science fiction metal and the way this music reformats and recycles the genre's codes compels us to recognize that, just as Brooks Landon identified science fiction film to be literary sf's pseudomorph, various other sf media which are not primarily narrative--music, art, videogames--are even more pseudomorphic.

Dark Matters: Mapping Science Fiction on the Extreme Metal Continuum

In fact, tiger's-eye is cited in many textbooks as a classic example of a pseudomorph, says Peter J.

Eye of the tiger: discovery about gem's structure overturns old theory

Others are bioluminescent and "glow-in-the-dark." They also have the ability to excrete an ink cloud, called a pseudomorph, which resembles a squid's shape.

Squid

This cubic morphology of primary jarosite does not necessarily mean a pseudomorph transformation from pyrite, since they have the same crystal habit.

Micromorphological evidence for mineral weathering pathways in a coastal acid sulfate soil sequence with Mediterranean-type climate, South Australia

Ink Release is observed in several forms: (a) a cloud (n = 25), either diffuse or of interconnecting ink blobs, (b) a single pseudomorph (n = 9) or two or more consecutive pseudomorphs (n = 2) that hold their shape, (c) a diffuse puff (n = 6), (d) a long slender rope (n = 2), (e) a short, thin string (n = 2), and (f) alternating with defecation (n = 1).

Behaving in the dark: locomotor, chromatic, postural, and bioluminescent behaviors of the deep-sea squid Octopoteuthis deletron Young 1972