non·neg·a·tive

[non-neg-uh-tiv]
adjective Mathematics.
(of a real number) greater than or equal to zero.

Origin:
1880–85; non- + negative

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Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To nonnegative
WordNet
nonnegative

adjective
either positive or zero 
WordNet® 3.0, © 2006 by Princeton University.
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00:10
Nonnegative is always a great word to know.
So is interrobang. Does it mean:
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
the offspring of a zebra and a donkey.
Example sentences
In other words, the weights are nonnegative and the total weight of outgoing edges is positive.
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