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pellicle

American  
[pel-i-kuhl] / ˈpɛl ɪ kəl /

noun

  1. a thin skin or membrane; film; scum.

  2. SCOBY.

  3. Photography. a thin, partially reflective coating, as on a beam splitter or pellicle mirror.


pellicle British  
/ ˈpɛlɪkəl, pɛˈlɪkjʊlə /

noun

  1. a thin skin or film

  2. the hard protective outer layer of certain protozoans, such as those of the genus Paramecium

  3. botany

    1. the thin outer layer of a mushroom cap

    2. a growth on the surface of a liquid culture

  4. photog the thin layer of emulsion covering a plate, film, or paper

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • pellicular adjective
  • pelliculate adjective

Etymology

Origin of pellicle

First recorded in 1535–45; from Latin pellicul(a), equivalent to pelli(s) “skin” + -cula noun suffix ( see -cle 1)

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The study is part of the Thematic Project "Modulation of acquired pellicle to control dental mineral loss: unveiling mechanisms to make therapies possible," coordinated by Professor Marília Afonso Rabelo Buzalaf at FOB-USP.

From Science Daily • Apr. 5, 2026

A similar pellicle formed on our acid whey mixture.

From Salon • Sep. 27, 2023

Lovers of home-brewed kombucha may actually be familiar with the raw nanocellulose material — it forms as a floating off-white structure called a pellicle.

From Salon • Sep. 27, 2023

The pellicle functions like a flexible coat of armor, preventing the protist from being torn or pierced without compromising its range of motion.

From Textbooks • Apr. 25, 2013

P. 2-3 cm. horizontal, reniform, pellicle thin, viscid, reddish-brown or grey; g. crowded, yellowish. fluxilis, Fr.

From European Fungus Flora: Agaricaceae by Massee, George