Home › Words › A › arenitearenitearenite · noun — any sedimentary rock with a grain size in the sand range on the Wentworth scale.Definition from Wiktionary (CC BY-SA 3.0).EtymologyLatin arēna (“sand”) + -itenounAny sedimentary rock with a grain size in the sand range on the Wentworth scale.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.arenitic 70% match — Of or related to arenite vs arenite →aeolianite 65% match — A rock formed from dune sand, often calcareous. vs arenite →greywacke 64% match — A hard dark sandstone with poorly sorted angular grains of quartz, feldspar, and small rock fragments in a compact, clay-fine matrix. vs arenite →arkose 63% match — An arenite sandstone consisting of at least 25% feldspar grains. vs arenite →arenaceous 63% match — Sandy; characterised by sand. vs arenite →gritstone 62% match — A form of sedimentary rock, similar to sandstone but coarser. vs arenite →arenilitic 62% match — Of or pertaining to sandstone. vs arenite →calcarenite 61% match — A form of limestone (or dolomite) composed of sand-sized grains derived from the erosion of older rocks. vs arenite →