roughometer
/rʌˈfɒmɪtə/originally US
noun
An instrument for measuring the unevenness of a road surface.
Origin
1920s; earliest use found in Public Roads. From rough + -ometer.
| 单词 | roughometer |
| 释义 | roughometer/rʌˈfɒmɪtə/originally US noun An instrument for measuring the unevenness of a road surface. Origin |
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