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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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500 words
Words 351–375 of 500
#WordDetailsMeaningSample sentence
351leasenoun
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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.

a contract allowing someone to use property for a stated time and paymentThe apartment lease lasts twelve months.
352collateralnoun
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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.

property promised to a lender that may be taken if a loan is not repaidThe farmer used equipment as collateral for the business loan.
353bankruptcynoun
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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.

a legal process for a person or organization unable to repay debtsBankruptcy allowed the company to reorganize what it owed.
354system-of-equationsnoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: system + of + equations. Study the complete expression as one field-specific unit.

two or more equations considered together to find shared solutionsThe system-of-equations intersects at the point that satisfies both equations.
355eliminationnoun
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Field: Grade 8 mathematics and economics word

Word study: Suffix focus: -ation commonly forms a noun naming an action, process, or result.

a method of solving equations by combining them so one variable cancelsUsing elimination, Rae added the equations to remove y.
356substitutionnoun
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Field: Grade 8 mathematics and economics word

Word study: Suffix focus: -tion commonly forms a noun naming an action, process, or result.

a method of solving equations by replacing a variable with an equivalent expressionThrough substitution, we replaced y with 2x + 1.
357solution-setnoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: solution + set. Study the complete expression as one field-specific unit.

all values that make an equation or inequality trueThe inequality x > 4 has a solution-set containing every number greater than four.
358linear-modelnoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: linear + model. Study the complete expression as one field-specific unit.

a straight-line equation used to approximate a relationship between variablesThe scientist used a linear-model to estimate future water use.
359polynomialnoun
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Field: Grade 8 mathematics and economics word

Word study: Prefix focus: poly- means many.

an algebraic expression made from terms with nonnegative whole-number exponentsThe expression 3x² – 2x + 7 is a polynomial.
360monomialnoun
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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.

an algebraic expression consisting of one termThe expression 6x³ is a monomial.
361binomialnoun
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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.

an algebraic expression consisting of two unlike termsThe expression x + 5 is a binomial.
362trinomialnoun
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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.

an algebraic expression consisting of three unlike termsThe expression x² + 4x + 4 is a trinomial.
363degreenoun
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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.

the greatest exponent of a variable in a polynomialThe polynomial 2x⁴ – x has degree four.
364like-termsnoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: like + terms. Study the complete expression as one field-specific unit.

algebraic terms with the same variable factors raised to the same powersThe like-terms 3x and 8x combine to make 11x.
365business-cyclenoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: business + cycle. Study the complete expression as one field-specific unit.

the recurring pattern of economic expansion and contractionEmployment often rises during the expansion phase of a business-cycle.
366commutative-propertynoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: commutative + property. Study the complete expression as one field-specific unit.

the rule that changing the order of addition or multiplication does not change the resultThe commutative-property shows that 7 + 2 equals 2 + 7.
367associative-propertynoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: associative + property. Study the complete expression as one field-specific unit.

the rule that regrouping addends or factors does not change the resultThe associative-property allows (2 × 3) × 5 to be regrouped as 2 × (3 × 5).
368zero-product-propertynoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: zero + product + property. Study the complete expression as one field-specific unit.

the rule that a product equals zero only when at least one factor equals zeroThe zero-product-property solves (x – 2)(x + 4) = 0.
369angle-bisectornoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: angle + bisector. Study the complete expression as one field-specific unit.

a ray or segment that divides an angle into two equal anglesThe angle-bisector divides the 60-degree angle into two 30-degree angles.
370perpendicular-bisectornoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: perpendicular + bisector. Study the complete expression as one field-specific unit.

a line that crosses a segment at its midpoint at a right angleEvery point on the perpendicular-bisector is equally distant from the segment's endpoints.
371midpointnoun
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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.

the point exactly halfway between two endpointsThe midpoint of the segment from (0, 0) to (6, 4) is (3, 2).
372distance-formulanoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: distance + formula. Study the complete expression as one field-specific unit.

an equation used to calculate the distance between two coordinate pointsThe distance-formula is based on the Pythagorean theorem.
373pythagorean-triplenoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: pythagorean + triple. Study the complete expression as one field-specific unit.

three whole numbers that can be side lengths of a right triangleThe numbers 5, 12, and 13 form a pythagorean-triple.
374scale-factornoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: scale + factor. Study the complete expression as one field-specific unit.

the ratio used to enlarge or reduce corresponding lengthsA scale-factor of two doubles every side length.
375rigid-motionnoun
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Field: Grade 8 mathematics and economics word

Word study: Term structure: rigid + motion. Study the complete expression as one field-specific unit.

a transformation that preserves distance and angle measureA reflection is a rigid-motion because the image remains congruent to the original.

Vocabulary chart page

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Sources and curriculum references

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