English Vocabulary · Grade 9 Live Review Preview
9th Grade Vocabulary Words
Ninth grade marks the transition to high-school reading and writing across literature, argument, research, biology, physical and Earth science, algebra, computing, world history, civics, and geography. This level develops precise academic and domain-specific vocabulary while strengthening context, nuance, source evaluation, figurative language, and evidence-based communication.
This independently authored 800-word beta curriculum is arranged in twenty-three pages of up to thirty-five words. Pages containing words 1–500 include five cloze questions drawn only from that enhanced range; words 501–800 remain fully visible and editable as list pages while the expanded practice layer is developed. Each row includes a subject-field label and an editable word-study note about a transparent affix, compound structure, capitalization, or dictionary base form. The cited Grade 9 resources calibrate difficulty and study skills only; all learner-facing definitions, examples, quizzes, and descriptions are original KSSR copy.
Please note: the vocabulary lists for grades 9~11 have been selected to ensure no overlap with the previous grade level. If the words are too specialized or difficult for you, please go back to grade levels 4~8 and review the words on those pages.
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| # | Word | Details | Meaning | Sample sentence |
|---|---|---|---|---|
| 1 | abstraction | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -tion commonly forms a noun naming an action, process, or result. | 抽象 | Freedom is an abstraction that different societies define in different ways. |
| 2 | traceability | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ability forms a noun for the capacity to have a quality or perform an action. | 可追溯性 | Batch numbers provide traceability from a packaged food to the factory that produced it. |
| 3 | acquisition | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ition commonly forms a noun naming an action, process, or result. | 獲得 | Regular conversation supports the acquisition of a new language. |
| 4 | adequacy | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Base-form focus: adequacy is the dictionary headword; compare its inflected or derived forms in context. | 充分性 | The committee questioned the adequacy of the building's fire exits. |
| 5 | annotation | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result. | 評論 | Her annotation beside the graph identifies a sudden change in the trend. |
| 6 | anticipation | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result. | 预期 | In anticipation of heavy rain, workers cleared leaves from the drains. |
| 7 | applicability | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ability forms a noun for the capacity to have a quality or perform an action. | 适用性 | The scientist discussed the applicability of the small study to a larger population. |
| 8 | assessment | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ment commonly forms a noun for an action, process, state, or result. | 評價 | The engineer's assessment found that the old bridge needed immediate repair. |
| 9 | authenticity | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ity commonly forms a noun naming a quality, state, or condition. | 真實性 | Experts tested the ink to determine the letter's authenticity. |
| 10 | causation | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result. | 1. 原因 2. 誘因 3. 起因 | A correlation between two trends does not by itself prove causation. |
| 11 | comparability | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ability forms a noun for the capacity to have a quality or perform an action. | 可比性 | Using the same measurement method improves comparability between the experiments. |
| 12 | compilation | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result. | 1. 編譯 2. 结构楣 | The archive published a compilation of diaries from the expedition. |
| 13 | conceptualization | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ization forms a noun for a process of making or becoming. | 概念化 | Her conceptualization of the problem changed after she interviewed local residents. |
| 14 | consistency | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Base-form focus: consistency is the dictionary headword; compare its inflected or derived forms in context. | 一致性 | Reviewers checked the report for consistency between its tables and conclusions. |
| 15 | corpus | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Base-form focus: corpus is the dictionary headword; compare its inflected or derived forms in context. | 語料庫 | Linguists searched the corpus to see how the expression changed over time. |
| 16 | cross-check | verb StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: cross + check. Study the complete expression as one field-specific unit. | 交叉检查 | Before publishing the date, the reporter will cross-check it against the court record. |
| 17 | deductive reasoning | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: deductive + reasoning. Study the complete expression as one field-specific unit. | 演绎推理 | Deductive reasoning shows that if all metals conduct heat and copper is a metal, copper conducts heat. |
| 18 | descriptive statistics | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: descriptive + statistics. Study the complete expression as one field-specific unit. | 描述統計學 | The report uses descriptive statistics such as the mean and range to summarize survey results. |
| 19 | evidence hierarchy | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: evidence + hierarchy. Study the complete expression as one field-specific unit. | 证据层次 | In medicine, an evidence hierarchy usually places systematic research above personal anecdotes. |
| 20 | fact-checking | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: fact + checking. Study the complete expression as one field-specific unit. | 事实核查 | Careful fact-checking revealed that the viral photograph came from an earlier event. |
| 21 | generalizability | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ability forms a noun for the capacity to have a quality or perform an action. | 普遍性 | A study of ten volunteers has limited generalizability to an entire country. |
| 22 | inductive reasoning | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: inductive + reasoning. Study the complete expression as one field-specific unit. | 归纳推理 | Through inductive reasoning, the botanist proposed a pattern after observing many plants. |
| 23 | information literacy | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: information + literacy. Study the complete expression as one field-specific unit. | 1. 信息素養 2. 資訊素養 | Information literacy helps students distinguish a reliable report from a misleading post. |
| 24 | logical consistency | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: logical + consistency. Study the complete expression as one field-specific unit. | 逻辑一致性 | The argument lacks logical consistency because its conclusion rejects its first premise. |
| 25 | media literacy | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: media + literacy. Study the complete expression as one field-specific unit. | 媒介素养 | Media literacy encourages viewers to ask who produced an advertisement and why. |
| 26 | objectivity | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ity commonly forms a noun naming a quality, state, or condition. | 客觀性 | Using a scoring guide can improve objectivity when several judges evaluate the same work. |
| 27 | peer-reviewed | adjective StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: peer + reviewed. Study the complete expression as one field-specific unit. | 同行评审 | The student chose a peer-reviewed article instead of an unsigned blog post. |
| 28 | qualifier | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Base-form focus: qualifier is the dictionary headword; compare its inflected or derived forms in context. | 预选赛 | The qualifier “in most cases” prevents the claim from sounding absolute. |
| 29 | reproducibility | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ibility forms a noun for the capacity to have a quality or perform an action. | 再現性 | Detailed procedures allow scientists to test the reproducibility of an experiment. |
| 30 | research question | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: research + question. Study the complete expression as one field-specific unit. | 研究问题 | The research question asks how street lighting affects moth populations. |
| 31 | scholarly | adjective StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Base-form focus: scholarly is the dictionary headword; compare its inflected or derived forms in context. | 学术性的;好学的;学术界的 | A scholarly article normally cites the evidence on which its claims depend. |
| 32 | source criticism | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: source + criticism. Study the complete expression as one field-specific unit. | 来源批评 | Source criticism helped the historian recognize that the speech was political propaganda. |
| 33 | statistical significance | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: statistical + significance. Study the complete expression as one field-specific unit. | 統計顯著性 | The trial found statistical significance, but researchers still considered whether the effect was useful. |
| 34 | systematic review | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: systematic + review. Study the complete expression as one field-specific unit. | 系统评价 | A systematic review compared dozens of trials on the same treatment. |
| 35 | triangulation | noun StudyField: Grade 9 research, reasoning, and source-literacy term Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result. | 三角測量 | The journalist used triangulation by comparing interviews, photographs, and official records. |
Vocabulary reading and practice
Judging a Research Claim
Reading practice for pages 1–3. Five relevant words are highlighted.
English reading
A peer-reviewed study begins with careful conceptualization: researchers define exactly what they intend to measure. An abstraction such as “community trust” must become observable questions or behaviors. Objectivity does not mean researchers lack perspectives; it means they use transparent methods and apply them with consistency so other scholars can evaluate the claim.
Simplified Chinese translation
A reviewed translation is not available for this passage yet.
Reading comprehension
1. What happens during conceptualization?
Researchers define what they intend to measure.
2. Why must an abstraction become observable?
Observable measures allow the idea to be studied.
3. How do researchers support objectivity?
They use transparent methods consistently.
Vocabulary quiz
Choose the dictionary equivalent for each of 5 selected words.
Vocabulary chart page
This page focuses on the word chart. Reading passages appear once in each three-page group, while cloze quizzes remain in the established enhanced range for this level.
Sources and curriculum references
These references guide selection and calibration. Definitions, sample sentences, readings, questions, and teaching notes are independently written and reviewed.
- GreatSchools: 9th Grade Vocabulary Words
- Victoria University of Wellington: Coxhead Academic Word List
- Common Core: Language Standards for Grades 9–10
- Common Core: Science and Technical Subjects, Grades 9–10
- WikDict downloadable bilingual dictionaries
- Kaikki.org / Wiktextract machine-readable Wiktionary data
- Language-Learning-decks public flashcard datasets
- SBBIC English-to-Khmer Dictionary
- English–Khmer Dictionary Dataset (machine-generated Khmer fallback; human review required)
- PanLex meanings snapshot (direct CC0 gap candidates; human review required)
- Cambridge bilingual dictionaries (individual editorial sense checks)
- Collins English–Hindi Dictionary (individual editorial checks)
- Hindwi and Rekhta dictionaries (individual Hindi/Urdu checks)
- National Institute of Korean Language: Basic Korean Dictionary
- JMdict/EDRDG Japanese dictionary project
- CC-CEDICT Chinese dictionary project
- VDict Vietnamese Dictionary (individual editorial check)
- Google Translate (machine-assisted lesson-reading draft; fluent review required)
- Kuperman et al.: Age-of-acquisition ratings for 30,000 English words
- The Princeton Review, Word Smart (2006 and 2012 editions; bibliographic calibration only).

