roadometern.
/rəʊˈdɒmᵻtə/, U.S. /roʊˈdɑmədər/ Chiefly U.S. Now historical.
1. An instrument for measuring the distance travelled by a road vehicle; an odometer. Cf. mileometer n.
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the world > relative properties > measurement > measuring instrument > [noun] > for measuring distances > distance travelled
waywiser1651
perambulator1688
wheel1696
walking wheel1701
odometer1702
pedometer1723
pedometer1728
podometer1728
reel measure1803
viameter1845
roadometer1848
trocheameter1857
trechometer1858
cyclometer1880
pedimeter1890
passometer1902
sledge-meter1902
speedometer1929
mileometer1953
1848 W. Clayton Latter-day Saints' Emigrants' Guide 3 The distances from point to point are shown as near as a Roadometer can measure.
1859 B. D. Williams Let. 9 May in L. R. Hafen Overland Routes to Gold Fields 238 The road..from Leavenworth city to Denver city, is 689 miles in length by the roadometer.
1884 Jewelers' Circular & Horolog. Rev. Feb. 25/1 In half an hour I improvised an odometic, or ‘roadometer’, as many people call them, for my buggy, from a chronometer watch.
1912 Sunset Aug. 162/1 The roadometer had registered 14.8 miles over a splendid road.
1997 Salt Lake Tribune (Nexis) 12 May a2 The device, dubbed a ‘roadometer’, indicated the number of miles traveled by ticking off the revolutions of a wheel of certain circumference.
2. A device fitted to a motor vehicle for indicating the camber of a road. rare.
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1926 Glasgow Herald 14 Oct. 6 There is a considerable range of motor car attachments, including a roadometer which automatically indicates the position of the car on the road by a scale which shows the camber.
This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022).
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n.1848