ratio
Pronunciation: /ˈreɪʃiəʊ/
noun
Definition of ratio
The quantitative relation between two amounts
Synonyms for ratio
- proportion
- rate
- fraction
ratio in a Sentence
- The student-to-teacher ratio in many schools is too high for effective learning.
Why ratio Matters for GRE & SAT
"ratio" is a noun that means "The quantitative relation between two amounts" closely related to words like "proportion", "rate", "fraction". As a word starting with R, it belongs to a cluster of GRE and SAT vocabulary that test-takers often encounter in Verbal Reasoning, Text Completion, and Reading Comprehension sections.
On the GRE, understanding "ratio" helps you distinguish between closely related answer choices in Sentence Equivalence questions. On the SAT, recognizing this word in context strengthens your performance on Craft & Structure and Words in Context questions. Seeing how "ratio" is used in sentences — like the examples above — builds the contextual understanding that standardized tests reward.
Study tip: Start with the definition and part of speech (noun). Then learn its 3 synonyms to build a word network. Finally, practice with spaced repetition to move "ratio" into long-term memory.
How to Remember ratio
One effective way to remember "ratio" (noun) is to group it with similar words you already know: "proportion" and "rate" and "fraction". When you encounter "ratio" on a test, these synonym connections help you quickly recall its meaning — "The quantitative relation between two amounts".
Use flashcard apps with spaced repetition to review "ratio" at increasing intervals until it becomes automatic.
More Vocabulary Words Starting with R
- radical — Relating to or affecting the fundamental nature of something
- radical — far-reaching; major
- ramification — A consequence of an action or event, especially a complex one
- ramification — a consequence or resulting action of a previous event
- rampant — Spreading unchecked; flourishing in an unwelcome way
- rampant — unrestrained or unchecked, usually in a negative manner
- random — Made, done, or happening without method or conscious decision
- range — The extent to which something varies; a set of different things
- rapacious — very greedy
- ratify — To sign or give formal consent to, making it officially valid