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chemotaxis

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chemotaxis


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Chemotaxis  \Chem`o*tax"is\,  n.  Formerly  also  Chemiotaxis 
  \Chem`i*o*tax"is\  [Chemical  +  Gr  ?  arrangement,  fr  ?  to 
  arrange.]  (Biol.) 
  The  sensitiveness  exhibited  by  small  free-swimming  organisms, 
  as  bacteria,  zo["o]spores  of  alg[ae],  etc.,  to  chemical 
  substances  held  in  solution.  They  may  be  attracted  ({positive 
  chemotaxis})  or  repelled  ({negative  chemotaxis}).  -- 
  {Chem`o*tac"tic},  a.  --  {Chem`o*tac"tic*al*ly},  adv 
 
  From  WordNet  r  1.6  [wn]: 
 
  chemotaxis 
  n  :  movement  by  a  cell  or  organism  in  reaction  to  a  chemical 
  stimulus 




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