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diatom

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diatom


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Diatom  \Di"a*tom\,  n.  [Gr.  ?  cut  in  two  See  {Diatomous}.] 
  1.  (Bot.)  One  of  the  Diatomace[ae],  a  family  of  minute 
  unicellular  Alg[ae]  having  a  siliceous  covering  of  great 
  delicacy,  each  individual  multiplying  by  spontaneous 
  division.  By  some  authors  diatoms  are  called 
  Bacillari[ae],  but  this  word  is  not  in  general  use 
 
  2.  A  particle  or  atom  endowed  with  the  vital  principle. 
 
  The  individual  is  nothing.  He  is  no  more  than  the 
  diatom,  the  bit  of  protoplasm.  --Mrs.  E.  Lynn 
  Linton. 
 
  From  WordNet  r  1.6  [wn]: 
 
  diatom 
  n  :  microscopic  unicellular  marine  or  freshwater  colonial  alga 
  having  cell  walls  impregnated  with  silica 




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