Definition for order of magnitude - Oxford Dictionaries Online (World English)

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	order of magnitude (order of mag¦ni\|tude) noun a class in a system of classification determined by size, typically in powers of ten: the forces between atoms on a polymer chain are about two orders of magnitude stronger than those between chains size or quantity: the new problems were of a different order of magnitude		More words in this category arithmetic progression complex converge curve cycloid determinant dimetric divergent division expected value harmonic minimax nomogram positive recursion resolvent unit vector Nearby Words ordain ordeal order order book order form Order in Council Order of Australia order of business Order of Canada order of magnitude Order of Merit Order of St Michael and St George Order of the Bath Order of the British Empire order of the day Order of the Garter Order of the Thistle Order Paper ordered pair