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9th-grade-vocabulary-words

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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800 words
Words 1–35 of 800
#WordDetailsMeaningSample sentence
1abstractionnoun
Study

Field: 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.
2traceabilitynoun
Study

Field: 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.
3acquisitionnoun
Study

Field: 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.
4adequacynoun
Study

Field: 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.
5annotationnoun
Study

Field: 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.
6anticipationnoun
Study

Field: 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.
7applicabilitynoun
Study

Field: 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.
8assessmentnoun
Study

Field: 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.
9authenticitynoun
Study

Field: 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.
10causationnoun
Study

Field: 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.
11comparabilitynoun
Study

Field: 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.
12compilationnoun
Study

Field: 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.
13conceptualizationnoun
Study

Field: 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.
14consistencynoun
Study

Field: 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.
15corpusnoun
Study

Field: 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.
16cross-checkverb
Study

Field: 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.
17deductive reasoningnoun
Study

Field: 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.
18descriptive statisticsnoun
Study

Field: 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.
19evidence hierarchynoun
Study

Field: 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.
20fact-checkingnoun
Study

Field: 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.
21generalizabilitynoun
Study

Field: 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.
22inductive reasoningnoun
Study

Field: 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.
23information literacynoun
Study

Field: 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.
24logical consistencynoun
Study

Field: 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.
25media literacynoun
Study

Field: 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.
26objectivitynoun
Study

Field: 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.
27peer-reviewedadjective
Study

Field: 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.
28qualifiernoun
Study

Field: 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.
29reproducibilitynoun
Study

Field: 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.
30research questionnoun
Study

Field: 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.
31scholarlyadjective
Study

Field: 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.
32source criticismnoun
Study

Field: 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.
33statistical significancenoun
Study

Field: 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.
34systematic reviewnoun
Study

Field: 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.
35triangulationnoun
Study

Field: 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.

Sources and curriculum references

These references guide selection and calibration. Definitions, sample sentences, readings, questions, and teaching notes are independently written and reviewed.