odor odor /ˈoʊdɝ/

noun

1. () [American] Any property detected by the olfactory system  ( odour [Canadian, British] , olfactory property , aroma , odor [American] , scent , smell )
   any property detected by the olfactory system
     The strong odor of the flowers filled the room.
   The strong odor of the flowers filled the room.
   
   
2. () [American] The sensation that results when olfactory receptors in the nose are stimulated by particular chemicals in gaseous form  ( odour [Canadian, British] , olfactory perception , olfactory sensation , odor [American] , smell )
   the sensation that results when olfactory receptors in the nose are stimulated by particular chemicals in gaseous form
    She loved the smell of roses
   she loved the smell of roses