stratum

/ˈstreɪtəm/

意味: 層／階層

例文: ALX-9000 analyzed the soil stratum.
　　  ALX-9000は土壌の層を分析した。

言葉のよくある組み合わせ: rock stratum(岩層), social stratum(社会階層), stratum corneum(角質層)

定義: 地層や階層を指す言葉です。地質学では、地球の表面に積み重なった岩や土の層を指します。社会学では、社会の中での地位や役割によって分けられるグループを指します。

stratumは約2,000,000語に1回程度の頻出度です。

口語性、形式性、抽象度、感情度 - 横向き棒グラフ

水平グラフ: 会話での使われやすさ、フォーマル度、抽象度（具体・概念）、感情度を示します。数値が高いほど、その特徴が強いことを表します。

感情分析 レーダーチャート

感情グラフ: 怒り、期待、嫌悪、恐れ、喜び、悲しみ、驚き、信頼、ポジティブ、ネガティブの強さを示します。

Definitions(定義)

Noun: one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism or a layer of sedimentary rock)
Noun: people having the same social, economic, or educational status
Noun: an abstract place usually conceived as having depth

Parts of Speech(品詞)

Noun

Examples(例文)

感情分析に使用された例文：

The geologist studied the stratum beneath the riverbed.(地質学者は川床の下の地層を調べた。)
Each stratum reveals a different period in Earth’s history.(それぞれの地層は地球の異なる時代を示す。)
The archaeologists found artifacts in the deepest stratum.(考古学者は最も深い地層で遺物を発見した。)

 

Word Netから抽出した例文：

Noun: the working class
Noun: an emerging professional class
Noun: a good actor communicates on several levels
Noun: a simile has at least two layers of meaning
Noun: the mind functions on many strata simultaneously

Synonyms/Antonyms(類語/反意語)

Synonyms(類語): class, layer, level, social class, socio-economic class, stratum

Antonyms(反意語):

Hypernyms/Hyponyms(上位語/下位語)

Hypernyms (General categories)(上位語): layer, people, place

Coordinate Terms(同じ上位語をもつもの): age group, ancients, asthenosphere, baffled, blind, blood, brave, business people, cell wall, chosen people, chromosphere, class, clientele, coevals, crust, damned, dead, deaf, defeated, disabled, doomed, enemy, episcopacy, exosphere, folk, free, homebound, hydrosphere, initiate, level, lithosphere, living, lobby, lower mantle, mantle, mentally retarded, mesosphere, migration, nation, nationality, network army, ozone layer, peanut gallery, peoples, pocket, poor people, populace, population, rank and file, retreated, rich people, sick, smart money, snow, stratosphere, stratum, surface, thermosphere, timid, tradespeople, tropopause, troposphere, unconfessed, unemployed people, uninitiate, upper mantle, womankind, wounded

Hyponyms (Specific examples)(下位語): age class, agriculture, bed, booboisie, brotherhood, cambium, caste, center, commonalty, craft, demimonde, dermis, epidermis, estate of the realm, firing line, horizon, immigrant class, labor, lower class, market, middle class, ninja, old school, peasantry, seam, stratum corneum, stratum germinativum, stratum granulosum, stratum lucidum, substrate, superstrate, underworld, upper class, wall, womanhood, world, yeomanry

Derivationally Related Words(派生語)

Derivationally Related Words: classify, layer, stratify

Categories(カテゴリー)

Domain Categories: education

Usage Category: formal

Usage Context: general

Grammatical Notes:

countable noun

Prefixes/Suffixes(接頭辞/接尾辞)

Prefixes(接頭辞):

Suffixes(接尾辞):

Exam Level

英検1級

Media Appearance(メディア登場例)

Books(洋書):

Movies(映画):

Other Information(その他)

Is Abstract?(抽象的な言葉?) Yes

Is Emotion Word?(感情的な言葉?) No

Emotion Categories: