unit noun \ˈyü-nət\
: an amount of a biologically active agent (as a drug or antigen) required to produce a specific result under strictly controlled conditions <a unit of penicillin>—see international unit
: a small molecule especially when combined in a larger molecule <repeating units of a polymer>
: an area in a medical facility and especially a hospital that is specially staffed and equipped to provide a particular type of care <an intensive care unit>
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