Definition of decametre in English:

decametre

(US decameter, dkm, dam, dekameter)

noun

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

    • ‘‘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:

decametre

/ˈdɛkəmiːtə/