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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Words 71–105 of 800
#	Word	Details	Meaning	Sample sentence
71	refutation	noun 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. Sự 2. bác 3. bẻ	The laboratory result provided a refutation of the rumor about contaminated water.
72	rhetorical situation	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: rhetorical + situation. Study the complete expression as one field-specific unit.	tình huống tu từ	Understanding the rhetorical situation explains why the mayor used a formal tone.
73	scope	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Base-form focus: scope is the dictionary headword; compare its inflected or derived forms in context.	1. Phạm vi 2. tầm 3. dịp	The paper narrows its scope to public transportation in three coastal cities.
74	synthesis matrix	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: synthesis + matrix. Study the complete expression as one field-specific unit.	ma trận tổng hợp	A synthesis matrix helped Noor compare how four authors discussed water access.
75	thesis statement	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: thesis + statement. Study the complete expression as one field-specific unit.	tuyên bố luận án	The thesis statement argues that the novel treats memory as both a gift and a burden.
76	citation trail	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: citation + trail. Study the complete expression as one field-specific unit.	dấu vết trích dẫn	Following the citation trail led the researcher to the original 1987 study.
77	integrated quotation	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: integrated + quotation. Study the complete expression as one field-specific unit.	báo giá tích hợp	An integrated quotation supports the paragraph without interrupting its flow.
78	signal phrase	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: signal + phrase. Study the complete expression as one field-specific unit.	cụm từ tín hiệu	The signal phrase “According to marine biologist Ana Ruiz” establishes the source's expertise.
79	parenthetical citation	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: parenthetical + citation. Study the complete expression as one field-specific unit.	trích dẫn trong ngoặc đơn	The parenthetical citation directs readers to the matching entry in the works cited list.
80	works cited	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: works + cited. Study the complete expression as one field-specific unit.	tác phẩm được trích dẫn	The works cited gives publication details for every article quoted in the essay.
81	source note	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: source + note. Study the complete expression as one field-specific unit.	ghi chú nguồn	The map's source note credits the national geological survey.
82	revision plan	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: revision + plan. Study the complete expression as one field-specific unit.	kế hoạch sửa đổi	Her revision plan begins with strengthening the counterargument and reorganizing two paragraphs.
83	peer feedback	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: peer + feedback. Study the complete expression as one field-specific unit.	phản hồi ngang hàng	Peer feedback showed that the explanation needed a clearer example.
84	sentence fluency	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: sentence + fluency. Study the complete expression as one field-specific unit.	câu trôi chảy	Varying sentence length improved the paragraph's sentence fluency.
85	parallel structure	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: parallel + structure. Study the complete expression as one field-specific unit.	cấu trúc song song	“To learn, to question, and to grow” uses parallel structure.
86	logical progression	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: logical + progression. Study the complete expression as one field-specific unit.	tiến triển logic	The report has a logical progression from the problem to its causes and possible solutions.
87	transitional phrase	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: transitional + phrase. Study the complete expression as one field-specific unit.	cụm từ chuyển tiếp	The transitional phrase “on the other hand” introduces a contrast.
88	topic development	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: topic + development. Study the complete expression as one field-specific unit.	phát triển chủ đề	Facts alone do not create topic development unless the writer explains their significance.
89	formal tone	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: formal + tone. Study the complete expression as one field-specific unit.	giọng điệu trang trọng	The application letter maintains a formal tone by avoiding slang.
90	specificity	noun 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.	1. Đặc trưng 2. nét 3. riêng biệt	Replacing “things got better” with measured results adds specificity.
91	source synthesis	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: source + synthesis. Study the complete expression as one field-specific unit.	tổng hợp nguồn	Her source synthesis compares the studies instead of summarizing each one separately.
92	citation ethics	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: citation + ethics. Study the complete expression as one field-specific unit.	đạo đức trích dẫn	Citation ethics requires a writer to identify both direct quotations and paraphrased ideas.
93	research ethics	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: research + ethics. Study the complete expression as one field-specific unit.	đạo đức nghiên cứu	Research ethics requires informed consent before collecting private interview data.
94	data provenance	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: data + provenance. Study the complete expression as one field-specific unit.	xuất xứ dữ liệu	The repository preserves data provenance by naming the sensor, date, and processing steps.
95	sample bias	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: sample + bias. Study the complete expression as one field-specific unit.	sai lệch mẫu	Surveying only morning commuters introduces sample bias into a study of all transit riders.
96	selection bias	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: selection + bias. Study the complete expression as one field-specific unit.	thiên hướng lựa chọn	Allowing volunteers to choose their own treatment group can create selection bias.
97	confirmation bias	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: confirmation + bias. Study the complete expression as one field-specific unit.	Thiên kiến xác nhận	Confirmation bias may lead a reader to ignore evidence that challenges an opinion.
98	publication bias	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: publication + bias. Study the complete expression as one field-specific unit.	thiên vị xuất bản	Publication bias can make a treatment appear more effective than the complete evidence shows.
99	conflict of interest	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: conflict + of + interest. Study the complete expression as one field-specific unit.	xung đột lợi ích	The reviewer disclosed a conflict of interest because she owned stock in the company.
100	replication study	noun Study Field: Grade 9 research, reasoning, and source-literacy term Word study: Term structure: replication + study. Study the complete expression as one field-specific unit.	nghiên cứu nhân rộng	A replication study found the same effect in a different city and age group.
101	narratology	noun Study Field: Grade 9 literature, rhetoric, and language term Word study: Root and suffix focus: -logy means the study of a subject.	truyện kể	Narratology examines how changes in time and point of view shape a reader's experience.
102	focalization	noun Study Field: Grade 9 literature, rhetoric, and language term Word study: Suffix focus: -ization forms a noun for a process of making or becoming.	1. tụ 2. tiêu	The chapter uses the child's focalization, so readers notice details that matter to her.
103	narrative distance	noun Study Field: Grade 9 literature, rhetoric, and language term Word study: Term structure: narrative + distance. Study the complete expression as one field-specific unit.	khoảng cách tường thuật	Short, urgent thoughts reduce the narrative distance during the escape scene.
104	narrative reliability	noun Study Field: Grade 9 literature, rhetoric, and language term Word study: Term structure: narrative + reliability. Study the complete expression as one field-specific unit.	độ tin cậy tường thuật	Conflicting dates make the narrator's narrative reliability increasingly doubtful.
105	nonlinear narrative	noun Study Field: Grade 9 literature, rhetoric, and language term Word study: Term structure: nonlinear + narrative. Study the complete expression as one field-specific unit.	tường thuật phi tuyến tính	The nonlinear narrative moves between the trial and memories of the earlier voyage.

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9th Grade Vocabulary Words

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