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“decelerometers”
decelerometer
(s) (noun), decelerometers
(pl)
An instrument for determining how slow a moving body is going.
This entry is located in the following units:
celer-
(page 2)
de-
(page 5)
meter-, metro-, metr-, -metrical, -metrically, -metron, -metric, -metrist, -meter, -meters, -metry, -metre
(page 11)