residual

re·sid·u·al (r-zj-l)

adj.

1. Of, relating to, or characteristic of a residue.

2. Remaining as a residue.

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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.

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residual

remaining or left behind.

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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.