IELTS 単語：上級（バンド 7 以上）
このトピックの IELTS ライティング・スピーキングで役立つ 171 語を集めました。各単語に短い英語の定義と発音があります。フラッシュカードで学習すると、今日覚えた単語が明日戻ってきて、その後も間隔を広げて復習できます。
単語一覧
| 単語 | 発音 | 品詞 | 定義 | 日本語訳 | レベル |
|---|---|---|---|---|---|
| acute | /əˈkjuːt/ | adj. | strong; very serious or severe | 鋭い；深刻な；急性の | C1 |
| ageing | /'eidʒiŋ/ | n. | n acquiring desirable qualities by being left undisturbed for some time; n the organic process of growing older and showing the effects of increasing age | L3 | |
| aggregate | /'ægrigət/ | n. | a sum total amount of something | (...の)総計 | L3 |
| algorithm | /'ælgəriðm/ | n. | a step-by-step problem-solving feature | アルゴリズム | L3 |
| amenity | /ə'mi:niti/ | n. | n pleasantness resulting from agreeable conditions | L3 | |
| amplitude | /'æmplitju:d/ | n. | the breadth, width or largeness of something | 振幅 | L3 |
| antibody | /'æntibɒdi/ | n. | a defense provided by the body against disease | 抗体 | L3 |
| apprentice | /ə'prentis/ | n. | works for an expert to learn a trade; be or work as an apprentice | L3 | |
| approximation | /əˌprɒksɪˈmeɪʃən/ | n. | something that is similar, but not an exact copy | 近似 | C1 |
| arbitrary | /ˈɑːbɪtrəri/ | adj. | unsupported | 任意の; 気ままな | C1 |
| array | /əˈreɪ/ | n. | a large group of people or things; a regular order or arrangement; in maths: a series of figures. | 配列 | C1 |
| automate | /'ɔ:təmeit/ | v. | v make automatic or control or operate automatically | L3 | |
| automation | /.ɒ:tə'meiʃən/ | n. | the act of implementing the control of equipment with advanced technology; the condition of being automatically operated or controlled | L3 | |
| autonomy | /ɔːˈtɒnəmi/ | n. | the power to make independent decisions | 自治権；自立性 | C1 |
| backpacker | /'bæk.pækə/ | n. | a hiker who wears a backpack | L3 | |
| biased | /'baiəst/ | adj. | favoring one person or side over another | L3 | |
| biodiversity | n. | the variation in an environment, the number of different types of life found there | 生物多様性 | L3 | |
| burglary | /'bə:^ləri/ | n. | entering a building unlawfully with intent to commit a felony or to steal valuable property | L3 | |
| calculus | /'kælkjuləs/ | n. | a type of mathematics used for calculating such things as the slopes of curves | 結石、微積分（数学） | L3 |
| censorship | /'sensəʃip/ | n. | n counterintelligence achieved by banning or deleting any information of value to the enemy; n deleting parts of publications or correspondence or theatrical performances | L3 | |
| characterization | /,kæriktərai'zeiʃən/ | n. | the way someone or something is described | 特徴付けること | L3 |
| chromosome | /'krəuməsəum/ | n. | cell structures that carry the genetic material that is copied and passed to the next generation. | 染色体 | L3 |
| chronic | /ˈkrɒnɪk/ | adj. | over a long time; serious | 慢性的な | C1 |
| coefficient | /ˌkəʊɪˈfɪʃənt/ | adj. | a number multiplied by a variable in an algebraic expression. | 係数 | C2 |
| cognitive | /ˈkɒɡnətɪv/ | adj. | the process of knowing and remembering | 認知の | C1 |
| colonial | /kəˈləʊniəl/ | adj. | of a system where one country controls another | 植民地の | C1 |
| computation | /ˌkɒmpjuˈteɪʃən/ | n. | the act of calculating; method of computing | 計算 | C1 |
| conception | /kənˈsepʃən/ | n. | an idea or notion; the first stage in pregnancy | 概念 | C1 |
| conditional | /kən'diʃənl/ | adj. | depending (on) | 条件付きの | L3 |
| contaminate | /kənˈtæmɪneɪt/ | v. | make something dirty or unsafe by adding harmful substances | C1 | |
| convergence | /kən'və:dʒəns/ | n. | coming together | 収束 | L3 |
| corpus | /'kɒ:pəs/ | n pl. | a body; in linguistics: a body of words | 集成；コーパス；体 | L3 |
| correspondence | /ˌkɒrəˈspɒndəns/ | n. | Communication by letters, emails or text messages | 文通； 通信 | C1 |
| cortex | /'kɒ:teks/ | n. | the outer part of an organ or structure | 皮質 | L3 |
| cultivate | /ˈkʌltɪveɪt/ | v. | To prepare land for crops or grow plants | C1 | |
| cyber | /'saibə/ | adj. | L3 | ||
| degrade | /dɪˈɡreɪd/ | v. | to treat someone without respect; to reduce in amount or strength | 低下する；分解する | C1 |
| denote | /dɪˈnəʊt/ | v. | be a name or symbol for | 示す | C1 |
| deter | /dɪˈtɜː/ | v. | To discourage an action by making it seem difficult or risky | C1 | |
| deterrent | /di'tə:rənt/ | adj. | tending to deter | L3 | |
| deviation | /ˌdiːviˈeɪʃən/ | n. | not standard or normal; in statistics: the difference between one of a set of values and some fixed value, usually the mean of the set. | 逸脱；偏差 | C1 |
| differential | /difə'renʃəl/ | adj. | difference; diversity | 区別を示す | L3 |
| diplomacy | /dɪˈpləʊməsi/ | n. | Managing relations between countries through discussion and negotiation | C1 | |
| discourse | /ˈdɪskɔːs/ | n. | talk, conversation | 談話 | C1 |
| discrete | /dɪˈskriːt/ | adj. | separate; composed of distinct parts | 別々の | C1 |
| dissertation | /ˌdɪsəˈteɪʃən/ | n. | an in-depth paper submitted for a doctorate degree | 論文 | C1 |
| domain | /dəˈmeɪn/ | n. | a field of action, thought or influence; an area of knowledge | 領域；ドメイン | C1 |
| embed | /ɪmˈbed/ | v. | to place or set inside rock, etc | 埋め込む | C1 |
| empirical | /ɪmˈpɪrɪkəl/ | adj. | based on observation or experiment | 実証的な；経験による | C1 |
| encode | /in'kəud/ | v. | to change a message or information into code | 暗号化する | L3 |
| enforce | /ɪnˈfɔːs/ | v. | Make sure that people obey a law or rule | C1 | |
| enrolment | /in'rəulmənt/ | n. | n the act of enrolling | L3 | |
| entity | /ˈentəti/ | n. | something that is real | 実体 | C1 |
| enzyme | /'enzaim/ | n. | a protein made by cells | 酵素 | L3 |
| equilibrium | /ˌiːkwɪˈlɪbriəm/ | n. | a state of balance | 平衡 | C1 |
| erosion | /ɪˈrəʊʒən/ | n. | The gradual removal of soil or rock by natural forces | C1 | |
| expenditure | /ɪkˈspendɪtʃə/ | n. | amount of money used during a certain time | C1 | |
| explicit | /ɪkˈsplɪsɪt/ | adj. | definite; clearly stated; specific | 明示的な | C1 |
| facilitate | /fəˈsɪlɪteɪt/ | v. | To make an action or process easier | 促進する | C1 |
| fertiliser | /'fə:tilaizə/ | n any substance such as manure or a mixture of nitrates used to make soil more fertile | L3 | ||
| finite | /ˈfaɪnaɪt/ | adj. | having limits; lasting for a limited time | 有限の | C1 |
| fluctuate | /ˈflʌktʃueɪt/ | v. | Rise and fall irregularly in level, amount, or value | C1 | |
| fluctuation | /ˌflʌktʃuˈeɪʃən/ | n. | A change in level or amount, especially up and down | C1 | |
| franchise | /ˈfræntʃaɪz/ | n. | permission to trade under another company's name, or that business | C1 | |
| generalize | /'dʒenərəlaiz/ | v. | To apply a particular idea to a large group | 一般化する | L3 |
| glacier | /'gleiʃə/ | n. | a slowly moving mass of ice | L3 | |
| gradient | /'greidiənt/ | n. | a measure of how steep something is | 勾配 | L3 |
| graph | /græf/ | n. | image expressing numerical data in lines or shapes | 図表；グラフ | L3 |
| hacker | /'hækə/ | someone who plays golf poorly; a programmer who breaks into computer systems in order to steal or change or destroy information as a form of cyber-terrorism | L3 | ||
| healthcare | /'helθkεə/ | n. | the preservation of mental and physical health by preventing or treating illness through services offered by the health profession | L3 | |
| hierarchy | /ˈhaɪərɑːki/ | n. | a system for organizing people or things according to their importance | 階層；ヒエラルキー | C1 |
| hypothesis | /haɪˈpɒθəsɪs/ | n. | idea that leads to further study or discussion | C1 | |
| ideology | /ˌaɪdiˈɒlədʒi/ | n. | ideas or beliefs which form theory and policy | イデオロギー | C1 |
| illiterate | /ɪˈlɪtərət/ | adj. | Unable to read or write | C1 | |
| induction | /ɪnˈdʌkʃən/ | n. | bringing about, or causing | 誘導 | C1 |
| inference | /ˈɪnfərəns/ | n. | an opinion that you form based on information you already have | 推論 | C1 |
| influencer | n. | One who, or that which, influences. | L3 | ||
| inhibit | /ɪnˈhɪbɪt/ | v. | to make it difficult for a process to start or continue in a normal way | 抑制する | C1 |
| initiate | /ɪˈnɪʃieɪt/ | v. | to start | 始める | C1 |
| integral | /ˈɪntɪɡrəl/ | adj. | part of something | 不可欠な | C1 |
| ion | /'aiən/ | n. | a charged atom | イオン | L3 |
| irrigation | /ˌɪrɪˈɡeɪʃən/ | n. | supplying land with water using pipes | かんがい | C1 |
| itinerary | /ai'tinərəri/ | n. | n an established line of travel or access; n a guidebook for travelers | L3 | |
| labour | /'leibə/ | n. | n a social class comprising those who do manual labor or work for wages; n concluding state of pregnancy | L3 | |
| lateral | /'lætərəl/ | adj. | on the side; moving sideways | 横の，側面 | L3 |
| lexical | /'leksikl/ | adj. | about words | 語彙の | L3 |
| locus | /'ləukəs/ | n. | a place or location; in genetics: the location of a gene on a chromosome | 軌跡 | L3 |
| longitudinal | /.lɒndʒi'tju:dinəl/ | adj. | going from the top to the bottom of something | 縦方向の | L3 |
| magnitude | /ˈmæɡnɪtjuːd/ | n. | size or importance | 大きさ | C1 |
| marginal | /ˈmɑːdʒɪnəl/ | adj. | very small; on the edge; not important | 縁の；余白の | C1 |
| maternal | /mə'tə:nl/ | adj. | having to do with being a mother | 母性の | L3 |
| mediate | /ˈmiːdieɪt/ | v. | to bring about an agreement between persons or groups, act as a helper | 仲介する | C1 |
| membrane | /'membrein/ | n. | a thin covering of tissue. | 膜 | L3 |
| methodology | /ˌmeθəˈdɒlədʒi/ | n. | system of practices or techniques to show how to do tasks | 方法論 | C1 |
| monopoly | /məˈnɒpəli/ | adv. | complete control of the market for a service or product | 独占 | C1 |
| morphological | /,mɔ:fə'lɔdʒikəl/ | adj. | the study of form and structure | 形態素 | L3 |
| morphology | /mɒ:'fɒlədʒi/ | n. | the study of the forms and structures of plants, animals and words | 形態 | L3 |
| mutation | /mjuːˈteɪʃən/ | n. | a change; in genetics: any event that changes genetic structure | 突然変異 | C1 |
| neural | /'njuərəl/ | adj. | about the nerves or nervous system | 神経の | L3 |
| neuron | /'njuərɔn/ | n. | a nerve cell; the basic building block of the nervous system. | ニューロン | L3 |
| node | /nəud/ | n. | an intersection or junction point in a network; a part on a plant where a new leaf grows | こぶ；結節 | L3 |
| nonlinear | /nɒn'liniə/ | adj. | not in a line | 非線形の | L3 |
| notation | /nəu'teiʃən/ | n. | a set of written signs or shapes that are used in music or mathematics | 表記法 | L3 |
| nucleus | /ˈnjuːkliəs/ | n pl. | control center of a cell | 核 | C1 |
| numeracy | /'njumərəsi/ | n. | skill with numbers and mathematics | L3 | |
| occurrence | /əˈkʌrəns/ | n. | specific instance of something happening | 発生；出来事 | C1 |
| olympic | L3 | ||||
| onset | /ˈɒnset/ | n. | the beginning | 開始 | C1 |
| optimal | /ˈɒptɪməl/ | adj. | best | 最適な | C1 |
| orientation | /ˌɔːriənˈteɪʃən/ | n. | the ability to locate oneself in your environment with reference to time, place, and people | 適応；オリエンテーション；方向性；位置 | C1 |
| overcrowded | /ˌəʊvəˈkraʊdɪd/ | adj. | v cause to crowd together too much; v crowd together too much | L3 | |
| overlap | /ˌəʊvəˈlæp/ | v. | To lie over or cover a part of something else | 重複，重なる | C1 |
| pandemic | /pæn'demik/ | adj. | an epidemic that is geographically widespread; epidemic over a wide geographical area | L3 | |
| parameter | /pəˈræmɪtə/ | n. | a characteristic or constant factor, a limit. | パラメーター | C1 |
| partition | /pɑːˈtɪʃən/ | n. | a wall, screen, or piece of glass used to separate one area from another | 分割 | C1 |
| periodic | /ˌpɪəriˈɒdɪk/ | adj. | happening regularly, but not frequently | 定期的な | C1 |
| pharmaceutical | /ˌfɑːməˈsuːtɪkəl/ | adj. | relating to medicines or their production | C1 | |
| phonological | adj. | concerning sound | 音韻的な | L3 | |
| physician | /fɪˈzɪʃən/ | n. | a medical doctor | 医師 | C1 |
| plagiarism | /'pleidʒiərizm/ | n. | a piece of writing that has been copied from someone else and is presented as being your own work; the act of plagiarizing | L3 | |
| plateau | /ˈplætəʊ/ | n. | A large area of flat land higher than surrounding land | C1 | |
| precede | /prɪˈsiːd/ | v. | to go before | 先行する | C1 |
| prevalence | /'prevələns/ | n. | widespread, common, general | 流行 | L3 |
| probe | /prəʊb/ | v. | a system or piece of equipment that is used to get information; in medicine: a long thin instrument used for looking inside your body | 探査；プローブ，探査する | C1 |
| processed | adj. | subjected to a special process or treatment; prepared or converted from a natural state by subjecting to a special process | L3 | ||
| proposition | /ˌprɒpəˈzɪʃən/ | n. | an idea; a suggestion | 提案；命題 | C1 |
| prosperity | /prɒˈsperəti/ | n. | The state of being economically successful and financially secure | C1 | |
| quantitative | /ˈkwɒntɪtətɪv/ | adj. | the describing or measuring of quantity. | 量的な | C1 |
| receptor | /ri'septə/ | n. | a device that receives information; in physiology: a nerve ending that changes stimuli into impulses | 受容体 | L3 |
| redundancy | /rɪˈdʌndənsi/ | n. | Job loss because an employer no longer needs the position | C1 | |
| regime | /reɪˈʒiːm/ | n. | a system of management; a form of government | 政権；体制 | C1 |
| repertoire | /ˈrepətwɑː/ | n. | a collection of skills or accomplishments. | レパートリー | C1 |
| semantic | /si'mæntik/ | adj. | the different meanings of words | 意味の | L3 |
| spatial | /ˈspeɪʃəl/ | adj. | about space | 空間的な | C1 |
| specification | /ˌspesɪfɪˈkeɪʃən/ | n. | a detailed description of the design and materials used to make something. | 仕様 | C1 |
| spectrum | /ˈspektrəm/ | n. | the wavelengths of colors from red to violet | スペクトル | C1 |
| sphere | /sfɪə/ | n. | a round 3D object. e.g. a ball | 球体；天体 | C1 |
| stabilise | /'steibilaiz/ | v. | v support or hold steady and make steadfast, with or as if with a brace; v become stable or more stable | L3 | |
| startup | the act of setting in operation | L3 | |||
| stimulus | /ˈstɪmjələs/ | n pl. | something that makes a change. | 刺激 | C1 |
| subset | /'sʌbset/ | n. | a small set which is part of a larger set | 少派 | L3 |
| subsidy | /ˈsʌbsədi/ | n. | Money provided to support activities or keep prices lower | C1 | |
| substitution | /.sʌbsti'tju:ʃən/ | n. | a person or thing acting or serving in place of another; to put (a person or thing) in the place of another. | 代用；置換 | L3 |
| sustainability | /sə,stenə'bɪlɪti/ | n. | the property of being sustainable | L3 | |
| syllable | /'siləbl/ | n. | a unit of speech | 音節 | L3 |
| syllabus | /'siləbəs/ | n. | the teaching schedule for a course in a school or university | 概要 | L3 |
| syndrome | /ˈsɪndrəʊm/ | n. | a group of signs and symptoms that accompany a disease | 症候群 | C1 |
| syntactic | /sin'tæktik/ | adj. | grammatical | 構文 | L3 |
| syntax | /'sintæks/ | n. | the study of a system, such as the system of words in a sentence | 構文 | L3 |
| synthesis | /ˈsɪnθəsɪs/ | n pl. | building something complex from simple parts | 合成 | C1 |
| taxation | /tækˈseɪʃən/ | n. | The system or process of collecting money through taxes | C1 | |
| temporal | /ˈtempərəl/ | adj. | concerning time | 一時的な | C1 |
| tertiary | /ˈtɜːʃəri/ | adj. | Relating to education at college or university level | C1 | |
| theorem | /'θiərəm/ | n. | a statement that can be proved | 定理 | L3 |
| thereby | /ˌðeəˈbaɪ/ | adv. | by that means; because of that | それによって | C1 |
| thesis | /ˈθiːsɪs/ | n. | a long essay; a position taken in an argument supported by a set of reasons | 論文；命題 | C1 |
| threshold | /ˈθreʃhəʊld/ | n. | a level or point at which something would start or stop happening. | しきい値 | C1 |
| trajectory | /trə'dʒektri/ | n. | the path followed by an object moving through space | 弾道 | L3 |
| transformation | /ˌtrænsfəˈmeɪʃən/ | n. | a complete change in shape or form of something | 変換 | C1 |
| transmission | /trænzˈmɪʃən/ | n. | an electronic signal that has been sent by radio waves; a force that has been transferred from one machine to another | 伝送；通信 | C1 |
| unskilled | /.ʌn'skild/ | adj. | not having or showing or requiring special skill or proficiency | L3 | |
| utility | /juːˈtɪləti/ | n. | being useful; a public service such as gas, water, or electricity that is used by everyone | 実用性；公益事業 | C1 |
| utterance | /ˈʌtərəns/ | n. | something that is said | 発話 | C1 |
| vandalism | /'vændəlizm/ | n. | willful wanton and malicious destruction of the property of others | L3 | |
| variability | /.vєəriə'biliti/ | n. | (statistics) degree scores depart from the mean | 変動 | L3 |
| variance | /ˈveəriəns/ | n. | (statistics) amount of difference in distributions | 分散 | C1 |
| variant | /ˈveəriənt/ | n. | thing that differs from something of the same kind | 変異 | C1 |
| vector | /'vektə/ | n. | a quantity that has both size and direction. | ベクトル | L3 |
| velocity | /vəˈlɒsəti/ | n. | speed in a given direction | 速度 | C1 |
| wellbeing | n. | a contented state of being happy and healthy and prosperous | L3 | ||
| wholesale | /'həulseil/ | n. | the selling of goods to merchants; sell in large quantities | L3 |
ほかのトピック
データの出典とクレジット
- 見出し語と英語の定義: New General Service List 1.2 & New Academic Word List 1.2 — Browne, C., Culligan, B. & Phillips, J., CC BY-SA 4.0
- 発音記号、CEFR レベル、例文、中国語訳: Word Atlas — Word Atlas contributors — CC BY 4.0. 変更点：項目を選択、語義を短縮、中国語を繁体字に変換。
- 追加の発音記号と中国語訳: ECDICT (MIT)
- スケジューリング: ts-fsrs (MIT)
- トピックの分類とページの文章はすべて当サイトのオリジナルです。