Hakuluettelo:
Käännös:
rock varnish (suomeksi)
- Määritelmät:
- a dark coating on rock surfaces exposed to the atmosphere which grows at only a few micrometers per thousand years; found especially in arid deserts
Viimeisimmät haut: rock varnish, Thick-billed Spiderhunter, prostrator, porations, Appling County, incorporated