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Dose

Dose

1. (Science: pharmacology) a quantity to be administered at one time, such as a specified amount of medication.

2. (Science: radiobiology) a general term denoting the quantity of radiation or energy absorbed. For special purposes it must be appropriately qualified. If unqualified, it refers to absorbed dose. Unit of absorbed dose is the rad. The si unit is the gray (1 gy = 1 j kg-1 = 100 R).

Origin: gr. Dosis = a giving a measured portion of medicine taken at any one time.The quantity of an active agent (substance or radiation) taken in or absorbed at any one time.Treat with an agent; add (an agent) to; The ray dosed the paint.Pertaining to the amount of a particular substance within an organism, either naturally or implanted.


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