order of magnitude

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order of magnitude

[′ȯrd·ər əv ′mag·nə‚tüd]
(chemistry)

order of magnitude

A change in quantity or volume as measured by the decimal point. For example, from tens to hundreds is one order of magnitude. Tens to thousands is two orders of magnitude; tens to millions is three orders of magnitude, etc.
References in periodicals archive ?
For maximum performance, SiliconSmart ACE embeds Magma's accurate and ultra-fast SPICE simulator, FineSim(TM) SPICE, providing up to an order-of-magnitude improvement in throughput.
This shot-noise-dominated PV detector noise is about an order-of-magnitude smaller than the G-R-noise-dominated PC HgCdTe detector noise in Sec.