Definition of black sand in English:

black sand

noun

  • Sand of a black or very dark colour, typically consisting of particles of lava or iron-rich minerals; specifically such sand on beaches in New Zealand.

Origin

Mid 16th century; earliest use found in Robert Copland (fl. 1505–1547), translator and printer. From black + sand.

Pronunciation

black sand

/ˌblak ˈsand/