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roach
 
Noun roach has 4 senses
  1. roach - the butt of a marijuana cigarette
    --1 is a kind of     butt, stub
  2. R-2, Mexican valium, rophy, rope, roofy, roach, forget me drug, circle - street names for flunitrazepan
    --2 is a kind of flunitrazepan, Rohypnol
  3. cockroach, roach - any of numerous chiefly nocturnal insects; some are domestic pests
    --3 is a kind of dictyopterous insect
    --3 is a member of Blattodea, suborder Blattodea, Blattaria, suborder Blattaria
    --3 has particulars:
     oriental cockroach, oriental roach, Asiatic cockroach, blackbeetle, Blatta orientalis; American cockroach, Periplaneta americana; Australian cockroach, Periplaneta australasiae; German cockroach, Croton bug, crotonbug, water bug, Blattella germanica; giant cockroach
  4. roach, Rutilus rutilus - European freshwater food fish having a greenish back
    --4 is a kind of cyprinid, cyprinid fish
    --4 is a member of Rutilus, genus Rutilus
rna rna polymerase rna reverse transcriptase pcr rnadomly rnase ro-en ro roaasted roach roach clip roach headress roach holder roaches road-building road-or road-trip road

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