Definition of "deltas" [deltas]

• Plural form of delta. (noun)

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• "But pulling the creamy two years out of the milk to exaggerate the range in deltas is dishonest."
• "But, if you're truly dedicated to the idea of book-writing, here's a very simple list of pluses - the good reasons and enjoyable outcomes of writing, and the "deltas" -- the downside of taking on the writing of a book."
• "Between 1984 and 2006 the deltas are a little larger (i.e. more +) in the winter months (up to +1.1) but decrease in the summer months (down to +0.3) but remain positive."