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[smek-tik] /ˈsmɛk tɪk/
adjective, Physical Chemistry. (of liquid crystals)
noting a mesomorphic state in which the arrangement of the molecules is in layers or planes.
Compare nematic.
Origin of smectic
1665-75 for earlier sense “cleansing”; < Latin smēcticus < Greek smēktikós, equivalent to smēkt(ós) smeared, verbid of smḗchein to wash out, clean + -tikos -tic Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for smectic


(chem) (of a substance) existing in or having a mesomorphic state in which the molecules are oriented in layers Compare nematic See also liquid crystal
Word Origin
C17: via Latin from Greek smēktikos, from smēkhein to wash; from the soaplike consistency of a smectic substance
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
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