Definition of decameter in English:

decameter

(also dekameter, dkm, dam)

noun

  • A metric unit of length, equal to 10 meters.

    • ‘‘There's a boat on our tail, and they sent a warning shot about fifty decameters from the boat,’ Armon yelled.’
    • ‘In this study, we also used the horizontal visibility data determined by meteorological observers in decameters (dm).’

Pronunciation:

decameter

/ˈdekəˌmēdər/