{"id": "stratum", "metadata": {"operation": "retrieve", "provider": "Oxford University Press", "schema": "RetrieveEntry"}, "results": [{"id": "stratum", "language": "en-gb", "lexicalEntries": [{"entries": [{"etymologies": ["late 16th century (in the sense \u2018layer or coat of a substance\u2019): modern Latin, from Latin, literally \u2018something spread or laid down\u2019, neuter past participle of sternere \u2018strew\u2019"], "inflections": [{"grammaticalFeatures": [{"id": "plural", "text": "Plural", "type": "Number"}], "inflectedForm": "strata", "pronunciations": [{"audioFile": "https://audio.oxforddictionaries.com/en/mp3/strata_gb_1.mp3", "dialects": ["British English"], "phoneticNotation": "IPA", "phoneticSpelling": "\u02c8str\u0251\u02d0t\u0259"}]}], "notes": [{"text": "In Latin the word stratum is singular and its plural form is strata. In English this distinction is maintained\u2014it is incorrect to use strata as a singular or to create the form stratas as the plural: a series of overlying strata not a series of overlying stratas, and a new stratum was uncovered not a new strata was uncovered", "type": "editorialNote"}], "pronunciations": [{"audioFile": "https://audio.oxforddictionaries.com/en/mp3/stratum_gb_1.mp3", "dialects": ["British English"], "phoneticNotation": "IPA", "phoneticSpelling": "\u02c8str\u0251\u02d0t\u0259m"}, {"audioFile": "https://audio.oxforddictionaries.com/en/mp3/stratum_gb_2.mp3", "dialects": ["British English"], "phoneticNotation": "IPA", "phoneticSpelling": "\u02c8stre\u026at\u0259m"}], "senses": [{"definitions": ["a layer or a series of layers of rock in the ground"], "domainClasses": [{"id": "geology", "text": "Geology"}], "examples": [{"text": "a stratum of flint"}], "id": "m_en_gbus1001420.015", "semanticClasses": [{"id": "stratum", "text": "Stratum"}], "shortDefinitions": ["layer or series of layers of rock in ground"], "subsenses": [{"definitions": ["a thin layer within any structure"], "examples": [{"text": "thin strata of air"}], "id": "m_en_gbus1001420.019", "semanticClasses": [{"id": "body_part", "text": "Body_Part"}], "shortDefinitions": ["thin layer within any structure"]}], "synonyms": [{"language": "en", "text": "layer"}, {"language": "en", "text": "vein"}, {"language": "en", "text": "seam"}, {"language": "en", "text": "lode"}, {"language": "en", "text": "bed"}], "thesaurusLinks": [{"entry_id": "stratum", "sense_id": "t_en_gb0014204.001"}]}, {"definitions": ["a level or class to which people are assigned according to their social status, education, or income"], "domainClasses": [{"id": "sociology", "text": "Sociology"}], "examples": [{"text": "members of other social strata"}], "id": "m_en_gbus1001420.024", "semanticClasses": [{"id": "class", "text": "Class"}], "shortDefinitions": ["level or class to which people are assigned according to their social status or income"], "subsenses": [{"definitions": ["a group into which members of a population are divided in stratified sampling"], "domainClasses": [{"id": "statistics", "text": "Statistics"}], "domains": [{"id": "statistics", "text": "Statistics"}], "examples": [{"text": "allocation of sample units to strata"}], "id": "m_en_gbus1001420.025", "semanticClasses": [{"id": "class", "text": "Class"}], "shortDefinitions": ["group into which members of population are divided in stratified sampling"]}], "synonyms": [{"language": "en", "text": "level"}, {"language": "en", "text": "class"}, {"language": "en", "text": "echelon"}, {"language": "en", "text": "rank"}, {"language": "en", "text": "grade"}, {"language": "en", "text": "station"}, {"language": "en", "text": "gradation"}], "thesaurusLinks": [{"entry_id": "stratum", "sense_id": "t_en_gb0014204.002"}]}]}], "language": "en-gb", "lexicalCategory": {"id": "noun", "text": "Noun"}, "text": "stratum"}], "type": "headword", "word": "stratum"}], "word": "stratum"}