overburden

== English == === Alternative forms === overburthen === Etymology === From over- + burden. === Pronunciation === verb: (Received Pronunciation) IPA(key): /ˌəʊ̯vəˈbɜːdn̩/ (General American, Canada) IPA(key): /ˌoʊvɚˈbɝdn̩/ (General Australian) IPA(key): /ˌəʉ̯vəˈbɜːdn̩/, [ˌɐʉ̯.vɐˈbɜːdn̩] noun: (Received Pronunciation) IPA(key): /ˈəʊ̯vəˌbɜːdn̩/ (General American, Canada) IPA(key): /ˈoʊvɚˌbɝdn̩/ (General Australian) IPA(key): /ˈəʉ̯vəˌbɜːdn̩/, [ˈɐʉ̯.vɐˌbɜːdn̩] Rhymes: -ɜː(ɹ)dən === Verb === overburden (third-person singular simple present overburdens, present participle overburdening, simple past and past participle overburdened) (transitive) To overload or overtax. ==== Synonyms ==== ==== Translations ==== === Noun === overburden (countable and uncountable, plural overburdens) (geology) The rock and subsoil that lies above a mineral deposit such as a coal seam, or any other underground feature. Synonym: mullock (archaeology) A sterile stratum that lies above the stratum being investigated. === References === Wikipedia === Anagrams === overburned