コード用語辞典

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About this app

The "Code Terminology Dictionary" is a learning tool for learning and mastering programming terminology.


[Over 300 Terms Included]
Includes over 295 practical programming terms across 8 categories, including Python, JavaScript, Swift, SQL, Web, Database, and Network. Each term includes a clear Japanese explanation and code examples.


[Fun Learning with Multiple-Choice Quizzes]
Check your understanding of terms with multiple-choice quizzes randomly selected from categories or all categories. Correct answers count as "Learned," providing a sense of accomplishment.


[Visualized Learning Progress]
A progress bar displays your learning progress for each category. See at a glance how much you've learned in each area. Aim to complete learning all the terms!


[Term of the Day]
A different term is featured daily. Discover something new every time you open the app.


[Search & Bookmarks]
Quickly access your desired term with keyword search. Bookmark frequently used terms for quick reference. Search history is also saved, allowing you to easily return to previously searched terms.


[English-Japanese Translation Available] This resource provides English technical terms and their Japanese translations. It's also helpful for understanding English documentation.

Ideal for those learning programming, those considering a career change in the IT industry, and anyone who frequently reads technical documentation.
Updated on
Apr 21, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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What’s new

コード用語辞典の初回リリースです。
・200以上のプログラミング用語を収録
・8カテゴリで整理(Python, JavaScript, SQL, Swift等)
・クイズ機能で学習度チェック
・ブックマーク機能で用語を保存
・検索機能で素早く用語を見つける