Dictionary

greensand

noun green·sand \-ˌsand\

Definition of GREENSAND

:  a sedimentary deposit that consists largely of dark greenish grains of glauconite often mingled with clay or sand

First Known Use of GREENSAND

1699

Browse

Next Word in the Dictionary: green sandpiperPrevious Word in the Dictionary: green–saltedAll Words Near: greensand
March 26, 2015
verdigris Hear it
A green deposit formed on some metals
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears