adj 1  :  of or relating to a sensory threshold < research>   2  :  situated at a sensory threshold  :  barely perceptible <observation of hues is beset with difficulties -Elsie Murray>  .
 
 
 
Similar sounding terms:  lam·i·nal  lemon oil  lu·mi·nal or Lu·mi·nal  lu·mi·nol 
 
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