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1A class in a system of classification determined by size, each class being a number of times (usually ten) greater or smaller than the one before.
‘values might be compared by order of magnitude, a staple in making ballpark estimates’
‘So, the answer will be only correct within an order of magnitude.’
‘Second, Mott and Nabarro considered the case where the particle spacing is not negligible compared to the minimum radius of curvature of the dislocation, but are of the same order of magnitude.’
‘For a simple model of population structure the same is true when the probability of migrating is not higher than the order of magnitude of the inverse of the population size.’
‘By doubling ‘only’ every 18 months or so, computer power takes five years to increase by a single order of magnitude.’
‘Both these estimates were an order of magnitude too small, but the fault was in Aristarchus's lack of accurate instruments rather than in his correct method of reasoning.’
‘As late as 1997 unemployment rates remained over 10 per cent, an order of magnitude higher than in the golden age of the 1960s and more than twice the rates of the United States.’
‘Because these parameters span two orders of magnitude, we cannot determine mutation rates.’
‘This ratio varies in plesiosaurs by more than an order of magnitude and is used here as a proxy for trophic specialization.’
‘Its numerical value also grew by an order of magnitude during the war owing to an increase of the third factor.’
‘Thus we will only discuss the order of magnitude of the estimated number of loci and not fine numerical comparisons.’
‘The calculated diffusion coefficient was found to be of the same order of magnitude as the diffusion coefficient of air in water.’
‘To measure changes that take place in about a femtosecond, they needed something they could characterize in attoseconds, an order of magnitude lower than existing systems.’
‘Costs are still a few orders of magnitude too high for the sequencing of one's own genome to become commonplace.’
‘This value is on the same order of magnitude as determined in Fig.6.’
‘This new system will provide nearly an order of magnitude more data than the current operational system.’
‘The total amount of data collected per experiment will go up by orders of magnitude with this system.’
‘This is an order of magnitude faster than on the old VAX system.’
‘This has been done using sample sizes of the same order of magnitude as those used by Buchanan and Evans.’
‘Their analysis and observations agreed: The resonance is sharp, its amplitude modest, and its frequency an order of magnitude below that of the power supply.’
‘Galileo's telescopes increased both light-gathering power and angular resolution by about an order of magnitude.’
1.1Relative size, quantity, quality, etc.
‘the new problems were of a different order of magnitude’
‘‘It's a different order of magnitude,’ says Chronos.’
‘In other theatres of operation, statistics for military losses were of an order of magnitude that had been registered in the First World War.’
‘We've never faced a disaster of this nature or order of magnitude, but yes, I think we're beginning to understand what we need.’
‘I think it is in a different order of magnitude to that of Smith and Carlos back then.’
‘Considerations of this order of magnitude must not be brushed aside.’
‘Fifty years from now, the biological intelligence of humanity will still be at that same order of magnitude.’
‘Or is what CBS News is doing here just a whole different order of magnitude?’
‘But Mont Pincon was different, the same sort of battle but of a different order of magnitude.’
‘When the city's homicide toll hovers in that order of magnitude, nobody gets too upset.’
‘I was bowled away by the band's performance last year, but this was a different order of magnitude.’
‘The economics of operation were therefore of a wholly different order of magnitude from the economics of operation of the slower, smaller but basically efficient older ferries.’
‘It must be in that order of magnitude because think of the billions of dollars that have been sent that way, billions.’
‘But what takes it into a different order of magnitude is his decision to keep his shares in the family - until forced, last night, to sell them.’
‘We are dealing with a different order of magnitude of threat.’
‘Nonetheless, with costs of that order of magnitude, one might imagine that such a venture would be solely within the domain of governments.’
1.2The arrangement of a number of items determined by their relative size.
‘the items are arranged in ascending order of magnitude’
‘Write the sequence in ascending order of magnitude beginning with the smallest.’
‘The higher the absolute value, more important is the response variable, which enables its sorting in descending order of magnitude.’