# 岩波理化学辞典第5版

> Comprehensive scientific and technical dictionary with advanced search and extensive coverage. (iPhone/iPad app by LogoVista Corp..)

- Source: https://appshunter.io/ios/app/5/id319042883 (this page in markdown: same URL + `.md`)
- Developer: [LogoVista Corp.](https://appshunter.io/developer/295266788)
- Category: Reference, Education
- Price: $99.99
- Rating: 1.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 8.0 · 138 MB
- Languages: English, Japanese
- Released: 2009-06-17
- Data updated: 2026-06-24
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/5/id319042883/reviews.md

## What is 岩波理化学辞典第5版?

【絶大な信頼の理工系辞典】

初版以来60余年,絶大な信頼のもとに多数の読者に迎えられてきた理工系辞典です。約22,000項目数は、物理と化学を中心に、天文学・地球物理学・地質学・鉱物学・気象学・海洋学・数学・情報科学・生物学・薬学・工学まで、幅広い分野を網羅しています。

・豊富な検索オプションを用意(前方一致/後方一致/完全一致/条件検索/全文検索)それぞれの検索方法で、文字を入力すると候補見出し語が表示されるインクリメンタルサーチに対応(全文検索を除く)
・和文索引のみならず、欧文、ロシア語、化学式(逆引き含む)、化学物質名の索引を用意。
・検索結果内の任意のテキストを選択しての更なる検索が可能。
・検索結果の表示件数=50~200件まで設定可能。
・文字サイズ=10pt~32ptを選択可能。
・連続する辞書引きに役立つ履歴表示、しおりなど。


[開発・販売元]
ロゴヴィスタ株式会社

[コンテンツ発行元・内容お問い合わせ先]
株式会社岩波書店

## Key features

- Extensive coverage of science and technology fields
- Advanced search options (prefix, suffix, exact, conditional, full-text)
- Incremental search with candidate headwords
- Multiple index types (Japanese, English, Russian, chemical formulas)
- Cross-searchable search results
- Customizable display settings (font size, results per page)
- History and bookmark features


## Frequently asked questions about 岩波理化学辞典第5版

### What is Iwanami Rikagaku Jiten 5th Ed.?

Iwanami Rikagaku Jiten 5th Ed. is a comprehensive dictionary for scientific and technical fields, covering approximately 22,000 entries in physics, chemistry, astronomy, biology, engineering, and more. It has been a trusted resource for over 60 years.

### What kind of search functions does Iwanami Rikagaku Jiten 5th Ed. offer?

It provides robust search options including prefix match, suffix match, exact match, conditional search, and full-text search. Most search types support incremental search, displaying candidate headwords as you type.

### Can I search using different languages or chemical formulas in Iwanami Rikagaku Jiten 5th Ed.?

Yes, in addition to Japanese indexes, it offers English, Russian, and chemical formula indexes, including reverse lookup for chemical substances. This allows for versatile searching based on various criteria.

### How can I customize the display of search results in Iwanami Rikagaku Jiten 5th Ed.?

You can adjust the font size from 10pt to 32pt and set the number of search results displayed per page from 50 to 200. This allows for a personalized reading experience.

### Does Iwanami Rikagaku Jiten 5th Ed. support offline use?

The description does not explicitly state offline capabilities, but as a dictionary app, it is generally designed for offline access to its content once downloaded. Specific details on offline functionality are not provided.

### What devices is Iwanami Rikagaku Jiten 5th Ed. compatible with?

This application is supported on iPhone, iPad, iPod, and Apple Watch. It was released on June 17, 2009, and its latest version is 3.0.3, last updated on February 12, 2020.

### What is the age rating for Iwanami Rikagaku Jiten 5th Ed.?

The app has an age rating of 4+, making it suitable for a wide range of users. This indicates it contains no mature content and is appropriate for younger audiences as well.

### How much does Iwanami Rikagaku Jiten 5th Ed. cost?

Iwanami Rikagaku Jiten 5th Ed. is a paid application priced at $99.99. There are no mentions of in-app purchases or subscription models for this reference tool.

## Version history (last 1 release)

### 3.0.3 — 2020-02-12

お客様へ重要なお知らせ

アップル社より、ロゴヴィスタの iOS 辞典アプリをひとつにまとめて欲しい旨の要請がありました。
その要請に添い、弊社の iOS アプリ「LogoVista電子辞典閲覧用統合ブラウザ」を公開いたしました。
現在ご利用いただいている「岩波理化学辞典第5版」を「LogoVista電子辞典閲覧用統合ブラウザ」にて、無料でご利用いただけるよう対応中でございます。
対応が完了した際は、ご利用いただいている「岩波理化学辞典第5版」は旧製品となります。
同時に iOS アプリのサポートを終了いたします。
旧製品をお持ちのお客様は、お手数をお掛けし恐縮ではございますが、「LogoVista電子辞典閲覧用統合ブラウザ」にて引き続き「岩波理化学辞典第5版」をご利用いただけるよう、無料引き継ぎの手続きを行ってください。
お客様にはご不便、ご迷惑をお掛けすることになりますが、対応完了まで今しばらくお待ちいただきますようお願いいたします。

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