1. (noun) a number assigned to the ratio of two quantities; two quantities are of the same order of magnitude if one is less than 10 times as large as the other; the number of magnitudes that the quantities differ is specified to within a power of 10

• order of magnitude

1. (noun) the property of relative size or extent (whether large or small)

• absolute magnitude
• amount
• amplitude
• bulk
• mass
• volume
• degree
• dimension
• proportion
• dimension
• extent
• intensity
• intensity level
• strength
• muchness
• multiplicity
• order
• order of magnitude
• size
• size
• triplicity

2. (noun) relative importance

• extensiveness
• largeness

1. (noun) the property of relative size or extent (whether large or small)

• property

2. (noun) a number assigned to the ratio of two quantities; two quantities are of the same order of magnitude if one is less than 10 times as large as the other; the number of magnitudes that the quantities differ is specified to within a power of 10

• ratio

3. (noun) relative importance

• importance

1. (noun) the property of relative size or extent (whether large or small)

• amplify
• magnify
• blow up
• enlarge
• magnify

2. (noun) relative importance

• amplify
• magnify