roestone

== English == === Etymology === From roe +‎ stone. === Noun === roestone (plural roestones) (mineralogy) oolite, or a variation of it === References === “roestone”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC. === Anagrams === oestrone, œstrone