order of magnitude

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a degree in a continuum of size or quantity (Freq. 5)
- it was on the order of a mile
- an explosion of a low order of magnitude
• Syn:
order
• Derivationally related forms:
order (for: order)
• Hypernyms:
magnitude
2. 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
• Syn:
magnitude
• Hypernyms:
ratio