chronometric

Meanings

1. 1
   adj

   relating to the precise measurement of time or to chronometers and other accurate timekeeping instruments

   The expedition used chronometric observations to calculate longitude at sea.

Formed from chrono-, 'time,' + -metric, 'relating to measurement,' on the model of chronometer. Both elements ultimately come from Greek: khronos, 'time,' and metron, 'measure.' Chronometrical is an older, longer equivalent.

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