residual

(redirected from residual spray)
Also found in: Dictionary, Thesaurus, Legal, Financial, Encyclopedia.

re·sid·u·al

(rē-zid'yū-ăl),
Relating to or of the nature of a residue.

residual

[rizij′o̅o̅·əl]
Etymology: L, residuum, remainder
1 adj, pertaining to the part of something that remains after an activity that removes the bulk of the substance.
2 n, (in psychology), an aftereffect of an experience that influences latent behavior.

re·sid·u·al

(rē-zid'yū-ăl)
Relating to or of the nature of a residue.

residual

remaining

re·sid·u·al

(rē-zid'yū-ăl)
Relating to or of the nature of a residue.

residual,

adj pertaining to the portion of something that remains after an activity that removes the bulk of the substance; usually refers to the amount of air remaining in the lungs at the end of a maximum expiration.

residual

remaining or left behind.

residual body
an amorphous body formed by the separation of the original tail of the spermatid during its metamorphosis to spermatozoon.
residual spray
insecticide spray for surfaces. Has a residual effect either because of the ingredient or the vehicle. Aimed at killing the larvae that are still to hatch.
residual urine
urine remaining in the bladder after voiding; seen with bladder outlet obstruction and disorders affecting nerves controlling bladder function.
References in periodicals archive ?
Every third house was surveyed and the perceptions of the head of the family or adult member were obtained on the indoor residual spray.
In first phase from May to July this year, the cell has so far conducted three major rounds of fumigation and residual spray in the rural areas of ICC focusing on schools, public buildings house dwellings and bazaars under the supervision of district health officer, Islamabad, assistant commissioners and magistrates.
Under the campaign, as many as five teams have been constituted for conducting door to door fumigation and residual spray in the rural areas.
Manual for Indoor Residual Spraying: Application of Residual Sprays for Vector Control.
However, Gair said it is a concern for unborn children and pregnant women, who he says should use residual sprays in the home and insect repellent.
However, where net coverage is low, the cost-effectiveness of additional control using indoor residual sprays such as DDT should be considered.
Lambda-cyhalothrin, permethrin, and bifenthrin are the active ingredients in many commonly used insecticides in the United States and overseas, and are often used as residual sprays for controlling arthropod pests.
Whereas the National Malaria Control Program recommends and promotes the use of pyrethroids as indoor residual sprays and in the treatment of bed nets, the residents rely more on organochlorines (DDT), despite the fact that the use of DDT has been banned in most of the countries of the world due to resistance and environmental concerns12.
Thus, there is a continued need for introduction of new insecticide molecules, formulations and interventions in the armamentarium of residual sprays.