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Related to acquired pellicle: materia alba


A thin skin or film, such as an organic membrane or liquid film.

[French, from Latin pellicula, husk, diminutive of pellis, skin; see pel- in Indo-European roots.]

pel·lic′u·lar (pə-lĭk′yə-lər) adj.
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.


1. a thin skin or film
2. (Zoology) the hard protective outer layer of certain protozoans, such as those of the genus Paramecium
3. (Botany) botany
a. the thin outer layer of a mushroom cap
b. a growth on the surface of a liquid culture
4. (Photography) photog the thin layer of emulsion covering a plate, film, or paper
[C16: via French from Latin pellicula, from pellis skin]
pellicular adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈpɛl ɪ kəl)

a thin skin or membrane; film; scum.
[1535–45; < Latin pellicula=pelli(s) skin + -cula -cle1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


The fine “skin” that forms when oil paint dries.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.pellicle - thin protective membrane in some protozoa
investment - outer layer or covering of an organ or part or organism
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


nFilm m; (Zool: = membrane) → Pellicula f
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
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References in periodicals archive ?
mutans (first 2 h following attachment) represent 60 to 80% of all primary colonizers that have different bacterial adhesins responsible for adhesion to the acquired pellicle. Quorum sensing is mediated by a competence stimulating peptide released upon exposure to low pH, posteriorly initiating a coordinated protective response [3].
Joiner, "The structure, function and properties of the acquired pellicle," Monographs in Oral Science, vol.
Influence of soft drinks on the thickness and morphology of in situ acquired pellicle layer on enamel.
It adheres to a proteinous layer, the acquired pellicle, already present on the enamel.

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