Glauconian

== English == === Pronunciation === (Received Pronunciation) IPA(key): /ɡlɔːˈkəʊ.ni.ən/ (General American) IPA(key): /ɡlɔˈkoʊ.ni.ən/, (cot–caught merger) /ɡlɑˈkoʊ.ni.ən/ Rhymes: -əʊniən Of or relating to Glaucon, an ancient Athenian and the philosopher Plato's older brother. === Adjective === Glauconian (comparative more Glauconian, superlative most Glauconian)