English Vocabulary · Grade 8 Live Review Preview

8th Grade Vocabulary Words

Eighth-grade readers move toward high-school-level analysis across literature, argument, research, physical and life science, algebra, economics, history, and civics. This level strengthens precise Tier II and cross-curricular vocabulary while emphasizing context, analogy, word relationships, Greek and Latin roots, multiple meanings, source judgment, and evidence-based communication.

This independently authored 500-word beta curriculum is arranged in twenty pages of twenty-five words each. Words 1–300 include five cloze questions per page; words 301–500 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 8 resources calibrate difficulty and vocabulary-study skills only; all learner-facing definitions, examples, quizzes, and descriptions are original KSSR copy.

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Words 351–375 of 500
#	Word	Details	Meaning	Sample sentence
351	lease	noun Study Field: Grade 8 mathematics and economics word Word study: Base-form focus: lease is the dictionary headword; compare its inflected or derived forms in context.	1. arrendar 2. arrendamento	The apartment lease lasts twelve months.
352	collateral	noun Study Field: Grade 8 mathematics and economics word Word study: Base-form focus: collateral is the dictionary headword; compare its inflected or derived forms in context.	garantia	The farmer used equipment as collateral for the business loan.
353	bankruptcy	noun Study Field: Grade 8 mathematics and economics word Word study: Base-form focus: bankruptcy is the dictionary headword; compare its inflected or derived forms in context.	1. falência 2. bancarrota	Bankruptcy allowed the company to reorganize what it owed.
354	system-of-equations	noun Study Field: Grade 8 mathematics and economics word Word study: Term structure: system + of + equations. Study the complete expression as one field-specific unit.	sistema de equações	The system-of-equations intersects at the point that satisfies both equations.
355	elimination	noun Study Field: Grade 8 mathematics and economics word Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.	eliminação	Using elimination, Rae added the equations to remove y.
356	substitution	noun Study Field: Grade 8 mathematics and economics word Word study: Suffix focus: -tion commonly forms a noun naming an action, process, or result.	substituição	Through substitution, we replaced y with 2x + 1.
357	solution-set	noun Study Field: Grade 8 mathematics and economics word Word study: Term structure: solution + set. Study the complete expression as one field-specific unit.	conjunto de soluções	The inequality x > 4 has a solution-set containing every number greater than four.
358	linear-model	noun Study Field: Grade 8 mathematics and economics word Word study: Term structure: linear + model. Study the complete expression as one field-specific unit.	modelo linear	The scientist used a linear-model to estimate future water use.
359	polynomial	noun Study Field: Grade 8 mathematics and economics word Word study: Prefix focus: poly- means many.	1. polinômio 2. polinómio	The expression 3x² – 2x + 7 is a polynomial.
360	monomial	noun Study Field: Grade 8 mathematics and economics word Word study: Base-form focus: monomial is the dictionary headword; compare its inflected or derived forms in context.	1. monómio 2. monômio	The expression 6x³ is a monomial.
361	binomial	noun Study Field: Grade 8 mathematics and economics word Word study: Base-form focus: binomial is the dictionary headword; compare its inflected or derived forms in context.	1. binomial 2. binómio 3. binômio	The expression x + 5 is a binomial.
362	trinomial	noun Study Field: Grade 8 mathematics and economics word Word study: Base-form focus: trinomial is the dictionary headword; compare its inflected or derived forms in context.	1. trinómio 2. trinômio	The expression x² + 4x + 4 is a trinomial.
363	degree	noun Study Field: Grade 8 mathematics and economics word Word study: Base-form focus: degree is the dictionary headword; compare its inflected or derived forms in context.	grau	The polynomial 2x⁴ – x has degree four.
364	like-terms	noun Study Field: Grade 8 mathematics and economics word Word study: Term structure: like + terms. Study the complete expression as one field-specific unit.	termos semelhantes	The like-terms 3x and 8x combine to make 11x.
365	business-cycle	noun Study Field: Grade 8 mathematics and economics word Word study: Term structure: business + cycle. Study the complete expression as one field-specific unit.	ciclo de negócios	Employment often rises during the expansion phase of a business-cycle.
366	commutative-property	noun Study Field: Grade 8 mathematics and economics word Word study: Term structure: commutative + property. Study the complete expression as one field-specific unit.	propriedade comutativa	The commutative-property shows that 7 + 2 equals 2 + 7.
367	associative-property	noun Study Field: Grade 8 mathematics and economics word Word study: Term structure: associative + property. Study the complete expression as one field-specific unit.	propriedade associativa	The associative-property allows (2 × 3) × 5 to be regrouped as 2 × (3 × 5).
368	zero-product-property	noun Study Field: Grade 8 mathematics and economics word Word study: Term structure: zero + product + property. Study the complete expression as one field-specific unit.	propriedade de produto zero	The zero-product-property solves (x – 2)(x + 4) = 0.
369	angle-bisector	noun Study Field: Grade 8 mathematics and economics word Word study: Term structure: angle + bisector. Study the complete expression as one field-specific unit.	bissetriz do ângulo	The angle-bisector divides the 60-degree angle into two 30-degree angles.
370	perpendicular-bisector	noun Study Field: Grade 8 mathematics and economics word Word study: Term structure: perpendicular + bisector. Study the complete expression as one field-specific unit.	bissetriz perpendicular	Every point on the perpendicular-bisector is equally distant from the segment's endpoints.
371	midpoint	noun Study Field: Grade 8 mathematics and economics word Word study: Base-form focus: midpoint is the dictionary headword; compare its inflected or derived forms in context.	1. meio 2. metade	The midpoint of the segment from (0, 0) to (6, 4) is (3, 2).
372	distance-formula	noun Study Field: Grade 8 mathematics and economics word Word study: Term structure: distance + formula. Study the complete expression as one field-specific unit.	fórmula de distância	The distance-formula is based on the Pythagorean theorem.
373	pythagorean-triple	noun Study Field: Grade 8 mathematics and economics word Word study: Term structure: pythagorean + triple. Study the complete expression as one field-specific unit.	triplo pitagórico	The numbers 5, 12, and 13 form a pythagorean-triple.
374	scale-factor	noun Study Field: Grade 8 mathematics and economics word Word study: Term structure: scale + factor. Study the complete expression as one field-specific unit.	fator de escala	A scale-factor of two doubles every side length.
375	rigid-motion	noun Study Field: Grade 8 mathematics and economics word Word study: Term structure: rigid + motion. Study the complete expression as one field-specific unit.	movimento rígido	A reflection is a rigid-motion because the image remains congruent to the original.

Vocabulary chart page

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8th Grade Vocabulary Words

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