Idiom: Back-of-the-envelope calculation
Meaning:
A back of the envelope calculation is a figure that was arrived at quickly or by using estimation--as if someone had grabbed the first scrap of paper they found and made a quick guess.
Country: International English | Subject Area: General | Usage Type: Both or All Words Used
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See also:
- View examples in Google: Back-of-the-envelope calculation
- Idiom Definition
- Idiom Quizzes