order of magnitude

Found in Anh - Anh (Wordnet)

Definition Noun : A class in a system of classification determined by size, typically involving powers of ten : "order of magnitude" refers to a category or scale where each step represents a tenfold (10x) increase or decrease. It is used to compare sizes or quantities in a very general, approximate way. A very large difference or change in size, amount, or importance : Informally, the phrase c...