adj 1 a (1) :  first in order of time or development (2) :  relating to or being the deciduous teeth and esp. the 20 deciduous teeth in the human set  b (1) :  arising spontaneously :  IDIOPATHIC < purpura>  (2) :  being an initial tumor or site esp. of cancer <efforts to find the tumor have failed -Raphael Feinmesser>   2  :  not derivable from other colors, odors, or tastes  3  :  belonging to the first group or order in successive divisions, combinations, or ramifications < nerves>   4  :  of, relating to, or being the amino acid sequence in proteins < protein structure>  - compare SECONDARY3 TERTIARY2c    5  :  resulting from the substitution of one of two or more atoms or groups in a molecule : esp  :  being or characterized by a carbon atom having a bond to only one other carbon atom
, n, pl  -ries  :  PRIMARY COLOR .
 
   
 
Similar sounding terms:  prim·er 
 
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