Translation and Meaning of: 比例 - hirei

The word 「比例」 (hirei) is composed of two kanji: 「比」 (hi), which means "to compare" or "proportion," and 「例」 (rei), which means "example" or "basis." Together, they form the expression that is generally translated as "proportion" or "proportionality" in other languages. This term is often used in mathematical and scientific contexts to describe the relationship between two quantities that vary consistently.

In the etymology of the word, 「比」 is used in Japanese to indicate comparison or measurement between two things, which is essential when discussing proportions. On the other hand, 「例」 provides the idea of a pattern or reference, consolidating the notion of comparison based on an example or model. This combination makes the term extremely efficient for expressing mathematical concepts and proposing comparative elements in various fields of knowledge.

"「比例」 (hirei) is used in different contexts and can appear in some combinations, such as 「比例関係」 (hirei kankei), which refers to a proportional relationship. This term is useful in contexts not only quantitative, but also in everyday situations, such as when we compare the proportionality between effort and result, or between cost and benefit. The concept of proportionality is a universal idea that finds relevance in various cultures and fields of knowledge."

In education, for example, the concept of proportionality is often introduced in subjects like mathematics and physics. Japanese education, like many others around the world, uses 「比例」 to teach students to better understand the relationships that exist between different variables. Anecdotally, when learning about 「比例」, many students are able to apply this knowledge not only in school problems but also in practical situations in their daily lives, where the ability to establish proportional relationships is highly valuable.

Vocabulary

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Synonyms and similar words

• 割合 (Wariai) - Proportion; one part of a total; used to express a fraction.
• 比率 (Hiritsu) - Rate; a ratio that compares two quantities; more technical.
• 比重 (Hiju) - Specific weight; relationship between the weight of an object and the weight of an equal volume of water.
• 比較 (Hikaku) - Comparison; the act of comparing two or more things.
• 比較的 (Hikakuteki) - Relative; in a comparative way, usually used to describe something in contrast with another thing.
• 比喩的 (Hiyuteki) - Metaphorical; description of something through comparison or analogy.