an olive-green sandstone consisting mainly of quartz and glauconite
greensand in American English
(ˈgrinˌsænd)
noun
a green, sandy deposit containing much glauconite
greensand in American English
(ˈɡrinˌsænd)
noun
a sandstone containing much glauconite, which gives it a greenish hue
Word origin
[1790–1800; green + sand]This word is first recorded in the period 1790–1800. Other words that entered Englishat around the same time include: cannibalism, ideology, methodology, peanut, rationalism