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residual
(redirected from residual spray)

   Also found in: Dictionary/thesaurus, Medical, Legal, Financial, Wikipedia 0.43 sec.
residual
1. (of deposits, soils, etc.) formed by the weathering of pre-existing rocks and the removal of disintegrated material
2. payment made to an actor, actress, musician, etc., for subsequent use of film in which the person appears

residual [rə′zij·ə·wəl]
(geology)
Of a mineral deposit, formed by either mechanical or chemical concentration.
Pertaining to a residue left in place after weathering of rock.
Of a topographic feature, representing the remains of a formerly great mass or area and rising above the surrounding surface.


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The primary means of destroying roaches are contact poisons/sprays, and residual sprays which leave time released ingredients in your cupboards and on the surfaces where sprayed, that will work over a period of 2-3 weeks.
DDT indoor residual spray, still an effective tool to control Anopheles fluviatilis-transmitted Plasmodium falciparum malaria in India.
Experimental Huts The treated nets, residual spray treatments, and their respective untreated controls were evaluated in 4 experimental huts at each field site.
 
 
 
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