Definition of "non-negative" []

• Of a real number, either positive or zero; not negative; greater than or equal to zero. (adjective)
• Of a real valued function, functional, etc. which has non-negative values over a particular domain D. (adjective)

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• "At Raytown South, technicians collected a total of two positive, or what the district calls "non-negative," results indicating drug use."
• "In a non-negative way Newt also says Ron Paul has a record of "systemic avoidance of reality"."
• "Since the net savings rate has to be below 100% (simply because depreciation is non-negative), we can see that as an accounting identity, the rate of return on capital has to be bigger than the rate of growth of GDP."